{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,7]],"date-time":"2025-10-07T12:05:02Z","timestamp":1759838702881,"version":"3.44.0"},"reference-count":26,"publisher":"Elsevier BV","issue":"3","license":[{"start":{"date-parts":[[1977,9,1]],"date-time":"1977-09-01T00:00:00Z","timestamp":241920000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/tdm\/userlicense\/1.0\/"},{"start":{"date-parts":[[1977,9,1]],"date-time":"1977-09-01T00:00:00Z","timestamp":241920000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/www.elsevier.com\/legal\/tdmrep-license"}],"content-domain":{"domain":["clinicalkey.com","clinicalkey.com.au","clinicalkey.es","clinicalkey.fr","clinicalkey.jp","journal.chestnet.org","elsevier.com","sciencedirect.com"],"crossmark-restriction":true},"short-container-title":["Chest"],"published-print":{"date-parts":[[1977,9]]},"DOI":"10.1378\/chest.72.3.333","type":"journal-article","created":{"date-parts":[[2007,11,7]],"date-time":"2007-11-07T12:53:57Z","timestamp":1194440037000},"page":"333-338","update-policy":"https:\/\/doi.org\/10.1016\/elsevier_cm_policy","source":"Crossref","is-referenced-by-count":11,"title":["Membranous Subaortic Stenosis and Patent Ductus Arteriosus"],"prefix":"10.1016","volume":"72","author":[{"given":"Laurel","family":"Steinherz","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kathryn H.","family":"Ehlers","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Aaron R.","family":"Levin","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mary Allen","family":"Engle","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"78","reference":[{"key":"10.1378\/chest.72.3.333_bb1","doi-asserted-by":"crossref","first-page":"359","DOI":"10.1161\/01.CIR.17.3.359","article-title":"Coexistence of patent ductus arteriosus and congenital aortic valvular disease","volume":"17","author":"Mark","year":"1958","journal-title":"Circulation"},{"key":"10.1378\/chest.72.3.333_bb2","doi-asserted-by":"crossref","first-page":"6","DOI":"10.1016\/0002-9149(72)90117-8","article-title":"Natural hemodynamic history of congenital aortic stenosis in childhood","volume":"30","author":"El-Said","year":"1972","journal-title":"Am J Cardiol"},{"key":"10.1378\/chest.72.3.333_bb3","series-title":"The Natural History and Progress in Treatment of Congenital Heart Defects","first-page":"205","article-title":"The clinical outlook of congenital aortic stenosis (valvular and discrete subvalvular)","author":"Lambert","year":"1971"},{"key":"10.1378\/chest.72.3.333_bb4","doi-asserted-by":"crossref","first-page":"443","DOI":"10.1136\/hrt.35.4.443","article-title":"Congenital discrete subvalvular aortic stenosis: Surgical experience and long-term follow-up in 20 paediatric patients","volume":"35","author":"Champsaur","year":"1973","journal-title":"Br Heart J"},{"key":"10.1378\/chest.72.3.333_bb5","doi-asserted-by":"crossref","first-page":"163","DOI":"10.1161\/01.CIR.31.2.163","article-title":"Discrete subaortic stenosis complicated by aortic valvular regurgitation: Clinical, hemodynamic, and pathologic studies and the results of operative treatment","volume":"31","author":"Morrow","year":"1965","journal-title":"Circulation"},{"key":"10.1378\/chest.72.3.333_bb6","series-title":"Heart Disease in Infancy and Childhood (2nd ed)","first-page":"247","author":"Keith","year":"1967"},{"key":"10.1378\/chest.72.3.333_bb7","series-title":"Paediatric Cardiology","first-page":"325","article-title":"Aortic stenosis","author":"Braunwald","year":"1968"},{"key":"10.1378\/chest.72.3.333_bb8","doi-asserted-by":"crossref","first-page":"1207","DOI":"10.1016\/S0031-3955(16)32636-0","article-title":"Indications for hemodynamic evaluation and surgery in congenital aortic stenosis","volume":"18","author":"Friedman","year":"1971","journal-title":"Pediatr Clin North Am"},{"key":"10.1378\/chest.72.3.333_bb9","doi-asserted-by":"crossref","first-page":"309","DOI":"10.1161\/01.CIR.46.2.309","article-title":"Discrete subaortic stenosis","volume":"46","author":"Kelly","year":"1972","journal-title":"Circulation"},{"key":"10.1378\/chest.72.3.333_bb10","doi-asserted-by":"crossref","first-page":"742","DOI":"10.1136\/hrt.34.7.742","article-title":"New technique for angiographic visualization of membranous subaortic stenosis","volume":"34","author":"Schaeffer","year":"1972","journal-title":"Br Heart J"},{"key":"10.1378\/chest.72.3.333_bb11","doi-asserted-by":"crossref","first-page":"226","DOI":"10.1161\/01.CIR.49.2.226","article-title":"Echocardiographic findings in discrete subvalvular aortic stenosis","volume":"49","author":"Popp","year":"1974","journal-title":"Circulation"},{"key":"10.1378\/chest.72.3.333_bb12","doi-asserted-by":"crossref","first-page":"277","DOI":"10.1016\/0002-9149(74)90289-6","article-title":"Echocardiographic manifestations of discrete subaortic stenosis","volume":"33","author":"Davis","year":"1974","journal-title":"Am J Cardiol"},{"key":"10.1378\/chest.72.3.333_bb13","doi-asserted-by":"crossref","first-page":"673","DOI":"10.1161\/01.CIR.49.4.673","article-title":"Echocardiography in coexisting hypertrophic subaortic stenosis and fixed left ventricular outflow obstruction","volume":"49","author":"Chung","year":"1974","journal-title":"Circulation"},{"key":"10.1378\/chest.72.3.333_bb14","doi-asserted-by":"crossref","first-page":"473","DOI":"10.1378\/chest.67.4.473","article-title":"Fixed membranous subaortic stenosis","volume":"67","author":"Kronzon","year":"1975","journal-title":"Chest"},{"key":"10.1378\/chest.72.3.333_bb15","series-title":"Congenital Cardiac Disease: A Review of 357 Cases Studied Pathologically","first-page":"176","author":"Fontana","year":"1962"},{"key":"10.1378\/chest.72.3.333_bb16","first-page":"11","article-title":"Congenital fixed subvalvular aortic stenosis: An anatomical classification and correlations with operative results","volume":"43 (suppl 1)","author":"Reis","year":"1971","journal-title":"Circulation"},{"key":"10.1378\/chest.72.3.333_bb17","doi-asserted-by":"crossref","unstructured":"Newfeld EA, Muster AJ, Paul MH, et al., Discrete subvalvular aortic stenosis in childhood (abstract). Read before the 24th annual meeting of the American College of Cardiology, Houston, 1975","DOI":"10.1016\/0002-9149(75)90746-8"},{"key":"10.1378\/chest.72.3.333_bb18","doi-asserted-by":"crossref","first-page":"1267","DOI":"10.1016\/S0140-6736(01)23270-X","article-title":"Schorstein lecture on the fate of the bulbus cordis in the human heart","volume":"2","author":"Keith","year":"1924","journal-title":"Lancet"},{"key":"10.1378\/chest.72.3.333_bb19","series-title":"Cardiovascular Disorders","first-page":"20","article-title":"Development of the heart and the fetal circulation","author":"Troyer","year":"1968"},{"key":"10.1378\/chest.72.3.333_bb20","first-page":"27","article-title":"Pathology and pathogenesis of the common cardiac malformations","volume":"2","author":"Van Mierop","year":"1970","journal-title":"Cardiovasc Clin"},{"key":"10.1378\/chest.72.3.333_bb21","doi-asserted-by":"crossref","first-page":"93","DOI":"10.1016\/0002-9149(70)90763-0","article-title":"Tetralogy of Fallot with severe left ventricular outflow tract obstruction due to anomalous attachment of the mitral valve to the ventricular septum","volume":"26","author":"Van Praagh","year":"1970","journal-title":"Am J Cardiol"},{"key":"10.1378\/chest.72.3.333_bb22","series-title":"The Natural History and Progress in Treatment of Congenital Heart Defects","first-page":"221","article-title":"Pathologic aspects of valvular and subvalvular (discrete and diffuse) aortic stenosis","author":"Roberts","year":"1971"},{"key":"10.1378\/chest.72.3.333_bb23","first-page":"97","article-title":"Valvular, subvalvular and supravalvular aortic stenosis: Morphologic features","volume":"5","author":"Roberts","year":"1973","journal-title":"Cardiovasc Clin"},{"key":"10.1378\/chest.72.3.333_bb24","doi-asserted-by":"crossref","first-page":"523","DOI":"10.1016\/0002-9149(73)90306-8","article-title":"Coexistent fixed congenital and idiopathic hypertrophic subaortic stenosis","volume":"31","author":"Block","year":"1973","journal-title":"Am J Cardiol"},{"key":"10.1378\/chest.72.3.333_bb25","doi-asserted-by":"crossref","first-page":"258","DOI":"10.1016\/S0022-5223(19)41936-3","article-title":"Discrete subaortic stenosis: A report of 20 cases","volume":"63","author":"Shariatzadeh","year":"1972","journal-title":"J Thorac Cardiovasc Surg"},{"key":"10.1378\/chest.72.3.333_bb26","doi-asserted-by":"crossref","first-page":"53","DOI":"10.1016\/0002-9149(76)90062-X","article-title":"Discrete subvalvular aortic stenosis in childhood: Study of 51 patients","volume":"38","author":"Newfeld","year":"1976","journal-title":"Am J Cardiol"}],"container-title":["Chest"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S001236921637595X?httpAccept=text\/xml","content-type":"text\/xml","content-version":"vor","intended-application":"text-mining"},{"URL":"https:\/\/api.elsevier.com\/content\/article\/PII:S001236921637595X?httpAccept=text\/plain","content-type":"text\/plain","content-version":"vor","intended-application":"text-mining"}],"deposited":{"date-parts":[[2025,9,15]],"date-time":"2025-09-15T07:41:21Z","timestamp":1757922081000},"score":1,"resource":{"primary":{"URL":"https:\/\/linkinghub.elsevier.com\/retrieve\/pii\/S001236921637595X"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1977,9]]},"references-count":26,"journal-issue":{"issue":"3","published-print":{"date-parts":[[1977,9]]}},"alternative-id":["S001236921637595X"],"URL":"https:\/\/doi.org\/10.1378\/chest.72.3.333","relation":{},"ISSN":["0012-3692"],"issn-type":[{"type":"print","value":"0012-3692"}],"subject":[],"published":{"date-parts":[[1977,9]]},"assertion":[{"value":"Elsevier","name":"publisher","label":"This article is maintained by"},{"value":"Membranous Subaortic Stenosis and Patent Ductus Arteriosus","name":"articletitle","label":"Article Title"},{"value":"Chest","name":"journaltitle","label":"Journal Title"},{"value":"https:\/\/doi.org\/10.1378\/chest.72.3.333","name":"articlelink","label":"CrossRef DOI link to publisher maintained version"},{"value":"article","name":"content_type","label":"Content Type"},{"value":"Copyright \u00a9 1977 The American College of Chest Physicians. Published by Elsevier Inc. All rights reserved.","name":"copyright","label":"Copyright"}]}}