title: Stone in the upper urinary tract. (A preliminary report on 222 cases).
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006801:Humans; D007669:Kidney Calculi / Q000453:epidemiology; D008297:Male; D010154:Pakistan; D014514:Ureteral Calculi / Q000453:epidemiology; D014545:Urinary Calculi / Q000453:epidemiology*