[APROPOS OF THE FREQUENCY COMPOSITION AND AMPLITUDE OF THE RATIO OF DIFFERENT FREQUENCY RANGES OF THE 1ST AND 2D HEART TONE].
D000787:Angina Pectoris; D003327:Coronary Disease; D006321:Heart; D006326:Heart Auscultation; D006801:Humans; D009203:Myocardial Infarction; D010701:Phonocardiography
ANGINA PECTORIS; CORONARY DISEASE; HEART AUSCULTATION; MYOCARDIAL INFARCT; PHONOCARDIOGRAPHY
K VOPROSU O CHASTOTNOM SOSTAVE I AMPLITUDNOM SOOTNOSHENII RAZLICHNYKH DIAPAZONOV CHASTOT I I II TONA SERDTSA.