title: [Characteristics of the clinical course of infectious endocarditis in middle-aged and aged patients].
mesh_terms: D000367:Age Factors; D000368:Aged; D004697:Endocarditis, Bacterial / Q000175:diagnosis* / Q000401:mortality; D006801:Humans; D008297:Male; D008875:Middle Aged; D013203:Staphylococcal Infections / Q000175:diagnosis* / Q000401:mortality; D013290:Streptococcal Infections / Q000175:diagnosis* / Q000401:mortality
vernacular_title: Osobennosti klinicheskoĭ kartiny techeniia infektsionnogo endokardita u bol'nykh pozhilogo i starcheskogo vozrasta.