{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,20]],"date-time":"2026-05-20T07:30:38Z","timestamp":1779262238716,"version":"3.51.4"},"reference-count":72,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[1967,9,1]],"date-time":"1967-09-01T00:00:00Z","timestamp":-73699200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Developmental Biology"],"published-print":{"date-parts":[[1967,9]]},"DOI":"10.1016\/0012-1606(67)90025-5","type":"journal-article","created":{"date-parts":[[2004,12,2]],"date-time":"2004-12-02T00:24:18Z","timestamp":1101947058000},"page":"216-249","source":"Crossref","is-referenced-by-count":181,"title":["Regulation of spontaneous activity and growth of embryonic chick heart cells in tissue culture"],"prefix":"10.1016","volume":"16","author":[{"given":"Robert L.","family":"DeHaan","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1016\/0012-1606(67)90025-5_BIB1","doi-asserted-by":"crossref","first-page":"473","DOI":"10.1083\/jcb.28.3.473","article-title":"The loss of phenotypic traits by differentiated cells. III. The reversible behavior of chondrocytes in primary cultures","volume":"28","author":"Abbott","year":"1966","journal-title":"J. Cell Biol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB2","doi-asserted-by":"crossref","first-page":"631","DOI":"10.1113\/jphysiol.1956.sp005615","article-title":"The effect of internal and external potassium concentration on membrane potential of frog muscle","volume":"133","author":"Adrian","year":"1956","journal-title":"J. Physiol. (London)"},{"key":"10.1016\/0012-1606(67)90025-5_BIB3","doi-asserted-by":"crossref","first-page":"633","DOI":"10.1007\/BF00363282","article-title":"Die Restitution der automatischen Erregungsbildung in Kalium-geh\u00e4hmten Schrittmacher-Geweben durch Adrenalin","volume":"277","author":"Antoni","year":"1963","journal-title":"Arch. Ges Physiol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB4","doi-asserted-by":"crossref","first-page":"573","DOI":"10.1002\/jez.1401280312","article-title":"Pulsation, migration and division in dissociated chick embryo heart cells in vitro","volume":"128","author":"Cavanaugh","year":"1955","journal-title":"J. Exptl. Zool"},{"key":"10.1016\/0012-1606(67)90025-5_BIB5","doi-asserted-by":"crossref","first-page":"212","DOI":"10.1016\/0014-4827(62)90331-2","article-title":"Mitotic index in vitro of embryonic heart fibroblasts of different donor ages","volume":"28","author":"Chaytor","year":"1962","journal-title":"Exptl. Cell Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB6","first-page":"309","article-title":"The inhibition of cell aggregation by a pure serum protein","volume":"13","author":"Curtis","year":"1965","journal-title":"J. Embryol. Exptl. Morphol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB7","doi-asserted-by":"crossref","first-page":"458","DOI":"10.1161\/01.CIR.24.2.458","article-title":"Differentiation of the atrioventricular conducting system of the heart","volume":"24","author":"DeHaan","year":"1961","journal-title":"Circulation"},{"key":"10.1016\/0012-1606(67)90025-5_BIB8","first-page":"531","article-title":"In Annual Report of the Director, Dept. of Embryology","volume":"63","author":"DeHaan","year":"1964","journal-title":"Carnegie Inst. Wash. Year Book"},{"key":"10.1016\/0012-1606(67)90025-5_BIB9","first-page":"471","article-title":"In Annual Report of the Director, Dept. of Embryology","volume":"64","author":"DeHaan","year":"1965","journal-title":"Carnegie Inst. Wash. Year Book"},{"key":"10.1016\/0012-1606(67)90025-5_BIB10","doi-asserted-by":"crossref","first-page":"7","DOI":"10.1111\/j.1749-6632.1965.tb49389.x","article-title":"Development of pacemaker tissue in the embryonic heart","volume":"127","author":"DeHaan","year":"1965","journal-title":"Ann. N.Y. Acad. Sci"},{"key":"10.1016\/0012-1606(67)90025-5_BIB11","series-title":"Organogenesis","first-page":"377","article-title":"Morphogenesis of the vertebrate heart","author":"DeHaan","year":"1965"},{"key":"10.1016\/0012-1606(67)90025-5_BIB12","first-page":"419","article-title":"Regulation of pacemaker activity in embryonic chick heart cells isolated in tissue culture","volume":"5","author":"DeHaan","year":"1965","journal-title":"Am. Zoologist"},{"key":"10.1016\/0012-1606(67)90025-5_BIB13","doi-asserted-by":"crossref","first-page":"39","DOI":"10.1016\/0014-4827(66)90375-2","article-title":"Effects of mode of culture and nutrient medium on cyclic variations in enzyme activities of mammalian cells cultured in vitro","volume":"43","author":"DeLuca","year":"1966","journal-title":"Exptl. Cell Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB14","doi-asserted-by":"crossref","first-page":"98","DOI":"10.1016\/0014-4827(66)90383-1","article-title":"The stimulation of growth of mammalian cells in vitro by a peptide fraction from enzymatic digests of serum","volume":"43","author":"DeLuca","year":"1966","journal-title":"Exptl. Cell Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB15","series-title":"The Specialized Tissues of the Heart","first-page":"95","article-title":"Some aspects of the interrelationship between ions and electrical activity in specialized tissue of the heart","author":"DeMello","year":"1961"},{"key":"10.1016\/0012-1606(67)90025-5_BIB16","first-page":"1124","article-title":"Potassium ions and electrical activity of specialized cardiac fibers","volume":"199","author":"DeMello","year":"1960","journal-title":"Am. J. Physiol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB17","doi-asserted-by":"crossref","first-page":"43","DOI":"10.1093\/jnci\/34.1.43","article-title":"Effects of albumin fraction and linoleic acid on growth of macrophages in tissue culture","volume":"34","author":"Dubin","year":"1965","journal-title":"J. Natl. Cancer Inst"},{"key":"10.1016\/0012-1606(67)90025-5_BIB18","doi-asserted-by":"crossref","first-page":"381","DOI":"10.1016\/0014-4827(62)90293-8","article-title":"Influence of serum protein on determination of nutritional requirements of cells in culture","volume":"28","author":"Dupree","year":"1962","journal-title":"Exptl. Cell Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB19","doi-asserted-by":"crossref","first-page":"501","DOI":"10.1126\/science.122.3168.501","article-title":"Nutritional needs of mammalian cells in tissue culture","volume":"122","author":"Eagle","year":"1955","journal-title":"Science"},{"key":"10.1016\/0012-1606(67)90025-5_BIB20","doi-asserted-by":"crossref","first-page":"555","DOI":"10.1016\/0014-4827(61)90190-2","article-title":"Functional biochemical changes in bovine mammary cell cultures","volume":"25","author":"Ebner","year":"1961","journal-title":"Exptl. Cell Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB21","doi-asserted-by":"crossref","first-page":"649","DOI":"10.1084\/jem.109.6.649","article-title":"Molecular growth requirements of single mammalian cells. III. Quantitative colonial growth of single S3 cells in a medium containing synthetic small molecular constituents and two purified protein fractions","volume":"109","author":"Fisher","year":"1959","journal-title":"J. Exptl. Med"},{"key":"10.1016\/0012-1606(67)90025-5_BIB22","first-page":"387","article-title":"\u00dcber die Kultivierung und das Verhalten spontan pulsierender Herzventrikelzellen in semisynthetischen N\u00e4hrmedien unter in vitro-Beding-ungen","volume":"10","author":"Halle","year":"1963","journal-title":"Acta Biol. Med. Ger"},{"key":"10.1016\/0012-1606(67)90025-5_BIB23","doi-asserted-by":"crossref","first-page":"451","DOI":"10.1016\/S0014-4827(63)80008-7","article-title":"In vitro studies on single beating rat heart cells. I. Growth and organization","volume":"29","author":"Harary","year":"1963","journal-title":"Exptl. Cell Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB24","doi-asserted-by":"crossref","first-page":"15","DOI":"10.1016\/0304-4165(66)90043-2","article-title":"Studies in vitro on single beating rat heart cells. IX. The restoration of beating by serum lipids and fatty acids","volume":"115","author":"Harary","year":"1966","journal-title":"Biochim. Biophys. Acta"},{"key":"10.1016\/0012-1606(67)90025-5_BIB25","series-title":"Factors Influencing Myocardial Contractility","article-title":"Effects of lipids on contractility of cultured heart cells","author":"Harary","year":"1967"},{"key":"10.1016\/0012-1606(67)90025-5_BIB26","doi-asserted-by":"crossref","first-page":"319","DOI":"10.1002\/jcp.1030620312","article-title":"Electrolyte and heart tissue","volume":"62","author":"Harsch","year":"1963","journal-title":"J. Cellular Comp. Physiol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB27","first-page":"166","article-title":"The inhibitory mechanism of serum on the attachment of HeLa cells on glass","volume":"44","author":"H\u00e4yry","year":"1966","journal-title":"Ann. Med. Exptl. Biol. Fenniae (Helsinki)"},{"key":"10.1016\/0012-1606(67)90025-5_BIB28","series-title":"Electrophysiology of the Heart","author":"Hoffman","year":"1960"},{"key":"10.1016\/0012-1606(67)90025-5_BIB29","doi-asserted-by":"crossref","first-page":"317","DOI":"10.1152\/ajplegacy.1956.186.2.317","article-title":"Effects of several cations on transmembrane potentials of cardiac muscle","volume":"186","author":"Hoffman","year":"1956","journal-title":"Am. J. Physiol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB30","doi-asserted-by":"crossref","first-page":"389","DOI":"10.1083\/jcb.10.3.389","article-title":"Serum fractionation and the effects of bovine serum fractions on human cells grown in chemically defined medium","volume":"10","author":"Holmes","year":"1961","journal-title":"J. Biophys. Biochem. Cytol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB31","doi-asserted-by":"crossref","first-page":"911","DOI":"10.1038\/205911a0","article-title":"Effect of trypsin on resting potential of frog muscle","volume":"205","author":"Holtzman","year":"1965","journal-title":"Nature"},{"key":"10.1016\/0012-1606(67)90025-5_BIB32","first-page":"299","article-title":"Studies on the physiological anatomy of the embryonic heart. II. An inquiry into the development of the heart beat in chick embryos, including the development of irritability to electrical stimulation","volume":"36","author":"Johnstone","year":"1925","journal-title":"Bull. Johns Hopkins Hosp"},{"key":"10.1016\/0012-1606(67)90025-5_BIB33","doi-asserted-by":"crossref","first-page":"613","DOI":"10.1152\/ajplegacy.1960.199.4.613","article-title":"Ontogenesis of K and Na fluxes in embryonic chick heart","volume":"199","author":"Klein","year":"1960","journal-title":"Am. J. Physiol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB34","doi-asserted-by":"crossref","first-page":"370","DOI":"10.1152\/ajplegacy.1963.205.2.370","article-title":"High Na content of early embryonic chick heart","volume":"204","author":"Klein","year":"1963","journal-title":"Am. J. Physiol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB35","doi-asserted-by":"crossref","first-page":"1272","DOI":"10.1126\/science.140.3573.1273","article-title":"Clonal analysis of myogenesis","volume":"140","author":"Konigsberg","year":"1963","journal-title":"Science"},{"key":"10.1016\/0012-1606(67)90025-5_BIB36","doi-asserted-by":"crossref","first-page":"557","DOI":"10.1016\/0014-4827(64)90143-0","article-title":"The effect of donor age on the emigration of cells from chick embryo explants in vitro","volume":"35","author":"Lefford","year":"1964","journal-title":"Exptl. Cell Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB37","doi-asserted-by":"crossref","first-page":"1213","DOI":"10.1152\/ajplegacy.1963.205.6.1213","article-title":"Transmembrane potentials of trypsin-dispersed chick heart cells cultured in vitro","volume":"205","author":"Lehmkuhl","year":"1963","journal-title":"Am. J. Physiol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB38","doi-asserted-by":"crossref","first-page":"309","DOI":"10.1016\/0014-4827(65)90036-4","article-title":"Cellular injury resulting from tissue disaggregation","volume":"39","author":"Levinson","year":"1965","journal-title":"Exptl. Cell Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB39","first-page":"191","article-title":"The hazards in the use of serum for tissue culture media","volume":"24","author":"LoGrippo","year":"1958","journal-title":"Univ. Mich. Med. Bull"},{"key":"10.1016\/0012-1606(67)90025-5_BIB40","doi-asserted-by":"crossref","first-page":"1611","DOI":"10.1126\/science.150.3703.1611","article-title":"Steroid stimulation of beating of cultured rat-heart cells","volume":"150","author":"McCarl","year":"1965","journal-title":"Science"},{"key":"10.1016\/0012-1606(67)90025-5_BIB41","series-title":"Abstr. 17th Ann. Meeting, Tissue Culture Assoc","first-page":"74","article-title":"Morphology, growth and pacemaker activity of mammalian heart ventricle cells in culture","author":"Mark","year":"1966"},{"key":"10.1016\/0012-1606(67)90025-5_BIB42","series-title":"Factors Influencing Myocardial Contractility","article-title":"Morphology and contractile behavior of cultured heart cells, and their response to various oxygen tensions","author":"Mark","year":"1967"},{"key":"10.1016\/0012-1606(67)90025-5_BIB43","doi-asserted-by":"crossref","first-page":"427","DOI":"10.1007\/BF02157695","article-title":"Early functional differentiation of heart muscle cells","volume":"15","author":"Meda","year":"1959","journal-title":"Experientia"},{"key":"10.1016\/0012-1606(67)90025-5_BIB44","author":"Merchant","year":"1964"},{"key":"10.1016\/0012-1606(67)90025-5_BIB45","doi-asserted-by":"crossref","first-page":"685","DOI":"10.1016\/0014-4827(65)90217-X","article-title":"The fate of labeled growth promoting \u03b1-globulin in cell culture in vitro","volume":"37","author":"Michl","year":"1965","journal-title":"Exptl. Cell Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB46","doi-asserted-by":"crossref","first-page":"217","DOI":"10.1016\/0014-4827(66)90395-8","article-title":"Nucleolar number variations in rat liver cells after partial hepatectomy","volume":"43","author":"Mironescu","year":"1966","journal-title":"Exptl. Cell Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB47","first-page":"1","article-title":"Nutrition of animal cells in tissue culture. I. Initial studies on a synthetic medium","volume":"73","author":"Morgan","year":"1950"},{"key":"10.1016\/0012-1606(67)90025-5_BIB48","doi-asserted-by":"crossref","first-page":"535","DOI":"10.1016\/0014-4827(52)90077-3","article-title":"Cell suspensions from organ rudiments of chick embryos","volume":"3","author":"Moscona","year":"1952","journal-title":"Exptl. Cell Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB49","first-page":"171","article-title":"Serum lipoproteins in primary cell attachment and growth behaviour of cells on glass","volume":"44","author":"Myllyl\u00e4","year":"1966","journal-title":"Ann. Med. Exptl. Biol. Fenniae (Helsinki)"},{"key":"10.1016\/0012-1606(67)90025-5_BIB50","first-page":"12","article-title":"Biochemistry and Morphogenesis","author":"Needham","year":"1950"},{"key":"10.1016\/0012-1606(67)90025-5_BIB51","first-page":"221","article-title":"The formation of sub-blastodermic fluid in hen's eggs","volume":"4","author":"New","year":"1956","journal-title":"J. Embryol. Exptl. Morphol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB52","first-page":"273","article-title":"Effect of albumen and fatty acids on cellular growth in vitro","volume":"80","author":"Norkin","year":"1965","journal-title":"Arch. Pathol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB53","doi-asserted-by":"crossref","first-page":"349","DOI":"10.1002\/aja.1000530302","article-title":"Initiation of contraction in embryonic chick heart","volume":"53","author":"Patten","year":"1933","journal-title":"Am. J. Anat"},{"key":"10.1016\/0012-1606(67)90025-5_BIB54","doi-asserted-by":"crossref","first-page":"65","DOI":"10.1016\/0014-4827(65)90158-8","article-title":"The effect of human serum fractions on cell growth and its relation to the state of serum alpha-lipoproteins","volume":"37","author":"Rejnek","year":"1965","journal-title":"Exptl. Cell Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB55","first-page":"306","article-title":"Membrane potentials, resistance and ion permeability in squid giant axons injected or perfused with proteases","volume":"53","author":"Rojas","year":"1965"},{"key":"10.1016\/0012-1606(67)90025-5_BIB56","doi-asserted-by":"crossref","first-page":"552","DOI":"10.1016\/0014-4827(65)90206-5","article-title":"Studies on cells from liver tissue cultivated in vitro. I. Influence of the culture method on cell morphology and growth pattern","volume":"37","author":"Sandstr\u00f6m","year":"1965","journal-title":"Exptl. Cell Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB57","doi-asserted-by":"crossref","first-page":"67","DOI":"10.1093\/jnci\/35.1.67","article-title":"Differences in the effect of individual human sera on cell cultures","volume":"35","author":"Saxen","year":"1965","journal-title":"J. Natl. Cancer Inst"},{"key":"10.1016\/0012-1606(67)90025-5_BIB58","doi-asserted-by":"crossref","first-page":"867","DOI":"10.1085\/jgp.49.5.867","article-title":"Ionic interconversion of pacemaker and nonpacemaker cultured chick heart cells","volume":"49","author":"Sperelakis","year":"1966","journal-title":"J. Gen. Physiol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB59","series-title":"Biological Interactions in Normal and Neoplastic Growth","first-page":"169","article-title":"Cell adhesiveness and the adaptation of cells to surfaces","author":"Taylor","year":"1962"},{"key":"10.1016\/0012-1606(67)90025-5_BIB60","doi-asserted-by":"crossref","first-page":"375","DOI":"10.1038\/201375a0","article-title":"Suspension culture of mammalian cells and macromolecular growth-promoting fractions of calf serum","volume":"201","author":"Tozer","year":"1964","journal-title":"Nature"},{"key":"10.1016\/0012-1606(67)90025-5_BIB61","doi-asserted-by":"crossref","first-page":"317","DOI":"10.1085\/jgp.45.2.317","article-title":"On the mechanism of spontaneous impulse generation in the pacemaker of the heart","volume":"45","author":"Trautwein","year":"1961","journal-title":"J. Gen. Physiol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB62","doi-asserted-by":"crossref","first-page":"770","DOI":"10.1152\/ajplegacy.1965.208.4.770","article-title":"Cardiac pacemaker potentials at different extra- and intracellular K concentrations","volume":"208","author":"Vassalle","year":"1965","journal-title":"Am. J. Physiol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB63","doi-asserted-by":"crossref","first-page":"433","DOI":"10.1152\/ajplegacy.1962.203.3.433","article-title":"Toxic effects of ouabain on Purkinje fibers and ventricular muscle fibers","volume":"203","author":"Vassalle","year":"1962","journal-title":"Am. J. Physiol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB64","doi-asserted-by":"crossref","first-page":"132","DOI":"10.1161\/01.RES.13.2.132","article-title":"An analysis of arrhythmias induced by ouabain in intact dogs","volume":"13","author":"Vassalle","year":"1963","journal-title":"Circulation Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB65","doi-asserted-by":"crossref","first-page":"334","DOI":"10.1152\/ajplegacy.1964.207.2.334","article-title":"Effects of potassium on automaticity and conduction of canine hearts","volume":"207","author":"Vassalle","year":"1964","journal-title":"Am. J. Physiol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB66","doi-asserted-by":"crossref","first-page":"261","DOI":"10.1002\/jmor.1051120305","article-title":"Nucleolar growth and fusion during cellular differentiation","volume":"112","author":"Wallace","year":"1963","journal-title":"J. Morphol"},{"key":"10.1016\/0012-1606(67)90025-5_BIB67","doi-asserted-by":"crossref","first-page":"157","DOI":"10.1113\/jphysiol.1956.sp005510","article-title":"Shortening of the cardiac action potential due to a brief injection of KCl following the onset of activity","volume":"132","author":"Weidmann","year":"1956","journal-title":"J. Physiol. (London)"},{"key":"10.1016\/0012-1606(67)90025-5_BIB68","first-page":"143","article-title":"Morphological problems of cell type, shape and identification","volume":"Vol. I","author":"Willmer","year":"1965"},{"issue":"Suppl. 2","key":"10.1016\/0012-1606(67)90025-5_BIB69_1","first-page":"14","article-title":"Rhythmic and arrhythmic contractile activity of single myocardial cells cultured in vitro","author":"Wollenberger","year":"1964","journal-title":"Circulation Res"},{"issue":"Suppl. 2","key":"10.1016\/0012-1606(67)90025-5_BIB69_2","first-page":"184","article-title":"Rhythmic and arrhythmic contractile activity of single myocardial cells cultured in vitro","author":"Wollenberger","year":"1964","journal-title":"Circulation Res"},{"key":"10.1016\/0012-1606(67)90025-5_BIB70","first-page":"237","article-title":"Cellular electrophysiology of the heart","volume":"Vol. 1","author":"Woodbury","year":"1962"},{"key":"10.1016\/0012-1606(67)90025-5_BIB71","series-title":"Factors Influencing Myocardial Contractility","article-title":"A histochemical and electrophysiological study of chick heart embryogenesis: localization and comparison of myocardial sodium content and the mechanism of excitation","author":"Yeh","year":"1967"}],"container-title":["Developmental Biology"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0012160667900255?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:0012160667900255?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2020,4,4]],"date-time":"2020-04-04T12:48:49Z","timestamp":1586004529000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/0012160667900255"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1967,9]]},"references-count":72,"journal-issue":{"issue":"3","published-print":{"date-parts":[[1967,9]]}},"alternative-id":["0012160667900255"],"URL":"https:\/\/doi.org\/10.1016\/0012-1606(67)90025-5","relation":{},"ISSN":["0012-1606"],"issn-type":[{"value":"0012-1606","type":"print"}],"subject":[],"published":{"date-parts":[[1967,9]]}}}