Endocarditis due to Streptococcus zooepidemicus.
D004697:Endocarditis, Bacterial / Q000209:etiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013290:Streptococcal Infections / Q000382:microbiology*; D013291:Streptococcus / Q000302:isolation & purification