title: [Chronic cardiac failure in presenile and senile patients].
authors.forename: A I
authors.initials: AI
authors.lastname: Martynov
authors.forename: O D
authors.initials: OD
authors.lastname: Ostroumova
authors.forename: V I
authors.initials: VI
authors.lastname: Mamaev
mesh_terms: D000368:Aged; D002908:Chronic Disease; D005260:Female; D006333:Heart Failure / Q000175:diagnosis* / Q000209:etiology* / Q000628:therapy; D006801:Humans; D008297:Male; D008875:Middle Aged