title: [Clinical characteristics of rheumatism in middle and old age].
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000175:diagnosis; D003951:Diagnostic Errors; D006349:Heart Valve Diseases / Q000175:diagnosis; D006801:Humans; D008875:Middle Aged; D012214:Rheumatic Heart Disease / Q000175:diagnosis*
vernacular_title: Klinicheskaia kharakteristika bol'nykh revmatizmom v srednem i pozhilom vozraste.