title: Infective endocarditis -- a retrospective study.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D004696:Endocarditis / Q000453:epidemiology* / Q000209:etiology; D006801:Humans; D008875:Middle Aged; D012189:Retrospective Studies; D012606:Scotland; D013290:Streptococcal Infections