[RHEUMATIC HEART DISEASE IN MIDDLE AND OLD AGES].
D005853:Geriatrics; D008875:Middle Aged; D012214:Rheumatic Heart Disease; D013223:Statistics as Topic
GERIATRICS; MIDDLE AGE; RHEUMATIC HEART DISEASE; STATISTICS
REVMATICHESKIE POROKI SERDTSA U LITS SREDENEGO I POZHILOGO VOZRASTA.