{"title":"Ultrasound as a non-invasive technique for measuring cardiac performance and diagnosing cardiac lesions.","authors":"R L Popp","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":72489,"journal":{"name":"California medicine","volume":" ","pages":"56-7"},"PeriodicalIF":0.0000,"publicationDate":"1973-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1455285/pdf/califmed00004-0098b.pdf","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"California medicine","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}