Roentgenographic detection of cardiomegaly in employees with normal electrocardiograms.
D000328:Adult; D000368:Aged; D006332:Cardiomegaly / Q000000981:diagnostic imaging* / Q000503:physiopathology; D003201:Computers; D003936:Diagnosis, Computer-Assisted; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008403:Mass Screening; D008875:Middle Aged; D011859:Radiography