[Ways of improving laboratory and instrumental examinations in cardiology].
D006328:Cardiac Catheterization; D004562:Electrocardiography; D005471:Fluoroscopy; D006321:Heart / Q000000981:diagnostic imaging; D006331:Heart Diseases / Q000175:diagnosis*; D006334:Heart Function Tests; D006801:Humans; D008722:Methods; D010701:Phonocardiography
Puti ratsionalizatsii laboratornykh i instrumental'nykh issledovanniĭ v kardiologii