title: Virulent course of bacterial pneumonia in a male homosexual.
mesh_terms: D000328:Adult; D006192:Haemophilus Infections / Q000503:physiopathology*; D006193:Haemophilus influenzae; D006716:Homosexuality; D006801:Humans; D008297:Male; D011014:Pneumonia / Q000503:physiopathology*