{"title":"ECG problems.","authors":"R R Montgomery","doi":"","DOIUrl":null,"url":null,"abstract":"","PeriodicalId":75142,"journal":{"name":"The Medical annals of the District of Columbia","volume":"43 11","pages":"575, 581"},"PeriodicalIF":0.0000,"publicationDate":"1974-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"The Medical annals of the District of Columbia","FirstCategoryId":"1085","ListUrlMain":"","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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