title: Xanthine urinary calculi; report of two cases.
authors.forename: I
authors.initials: I
authors.lastname: GERSH
authors.forename: H L
authors.initials: HL
authors.lastname: MELTZER
mesh_terms: D002137:Calculi; D006801:Humans; D014545:Urinary Calculi; D014551:Urinary Tract; D019820:Xanthine; D014970:Xanthines
chemical_list: D014970:Xanthines; D019820:Xanthine
keywords: CALCULI/xanthine; URINARY TRACT/calculi; XANTHINES/calculi