title: Bacterial endocarditis: mitral valve prolapse syndrome.
mesh_terms: D004697:Endocarditis, Bacterial / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D008945:Mitral Valve Prolapse / Q000150:complications*; D013290:Streptococcal Infections / Q000209:etiology*