title: [Infective endocarditis due to a nutritionally variant streptococcus].
mesh_terms: D004697:Endocarditis, Bacterial / Q000188:drug therapy / Q000382:microbiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010400:Penicillin G / Q000494:pharmacology; D010403:Penicillin Resistance; D013291:Streptococcus / Q000187:drug effects / Q000302:isolation & purification*
chemical_list: D010400:Penicillin G