{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,9]],"date-time":"2025-10-09T16:30:06Z","timestamp":1760027406339},"reference-count":5,"publisher":"BMJ","issue":"5","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Heart"],"published-print":{"date-parts":[[1970,9,1]]},"DOI":"10.1136\/hrt.32.5.611","type":"journal-article","created":{"date-parts":[[2007,9,18]],"date-time":"2007-09-18T21:46:00Z","timestamp":1190151960000},"page":"611-616","source":"Crossref","is-referenced-by-count":43,"title":["Continuous electrocardiographic recording in Prinzmetal's variant angina pectoris: A report of four cases"],"prefix":"10.1136","volume":"32","author":[{"given":"M.","family":"Guazzi","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"C.","family":"Fiorentini","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"A.","family":"Polese","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"F.","family":"Magrini","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"239","reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"443","DOI":"10.1016\/0002-9149(66)90232-3","article-title":"A variant form of angina pectoris with recurrent transient complete heart block","volume":"17","author":"Botti, R.E.","year":"1966","unstructured":"Botti, R. E. 1966. A variant form of angina pectoris with recurrent transient complete heart block. American Journal of Cardiology, 17, 443.","journal-title":"American Journal of Cardiology"},{"key":"ref_2","first-page":"9","article-title":"Continuous electrocardiographic monitoring in nocturnal angina","volume":"13","author":"Lunger, M.; Shapiro, A. 1964","unstructured":"Lunger, M., and Shapiro, A. 1964. Continuous electrocardiographic monitoring in nocturnal angina. (Abstract.) American Journal of Cardiology, 13, II9.","journal-title":"(Abstract.) American Journal of Cardiology"},{"key":"ref_3","first-page":"1794","article-title":"Variant form of angina pectoris. Previously undelineated syndrome","volume":"174","unstructured":"Prinzmetal, M., Ekmekci, A., Kennamer, R., Kwoczynski, J. K., Shubin, H., and Toyoshima, H. 1960. Variant form of angina pectoris. Previously undelineated syndrome. Journal of the American Medical Association, 174, 1794.","journal-title":"Journal of the American Medical Association"},{"key":"ref_4","doi-asserted-by":"crossref","first-page":"375","DOI":"10.1016\/0002-9343(59)90003-8","article-title":"A variant form of angina pectoris","volume":"27","unstructured":"-, Kennamer, R., Merliss, R., Wada, T., and Bor, N. 1959. Angina pectoris. I. A variant form of angina pectoris. American Journal of Medicine, 27, 375.","journal-title":"American Journal of Medicine"},{"key":"ref_5","doi-asserted-by":"crossref","first-page":"797","DOI":"10.1016\/0002-8703(65)90335-2","article-title":"Prinzmetal's variant angina pectoris","volume":"70","author":"Robinson, J.S.","year":"1965","unstructured":"Robinson, J. S. 1965. Prinzmetal's variant angina pectoris. American Heart Journal, 70, 797.","journal-title":"American Heart Journal"}],"container-title":["Heart"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/syndication.highwire.org\/content\/doi\/10.1136\/hrt.32.5.611","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2020,9,26]],"date-time":"2020-09-26T00:39:20Z","timestamp":1601080760000},"score":1,"resource":{"primary":{"URL":"https:\/\/heart.bmj.com\/lookup\/doi\/10.1136\/hrt.32.5.611"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[1970,9,1]]},"references-count":5,"journal-issue":{"issue":"5","published-print":{"date-parts":[[1970,9,1]]}},"URL":"https:\/\/doi.org\/10.1136\/hrt.32.5.611","relation":{},"ISSN":["1355-6037"],"issn-type":[{"value":"1355-6037","type":"print"}],"subject":[],"published":{"date-parts":[[1970,9,1]]}}}