title: Urinary matrix calculi: report of 2 cases.
mesh_terms: D003558:Cystoscopy; D005260:Female; D006801:Humans; D007669:Kidney Calculi / Q000150:complications / Q000175:diagnosis / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D011859:Radiography; D014552:Urinary Tract Infections / Q000150:complications