{"title":"The second heart sound: newer concepts. Part I: normal and wide physiological splitting.","authors":"J A Shaver, J D O'Toole","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":76168,"journal":{"name":"Modern concepts of cardiovascular disease","volume":"46 2","pages":"7-12"},"PeriodicalIF":0.0000,"publicationDate":"1977-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Modern concepts of cardiovascular disease","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}