title: Lower urinary tract calculi analysed of x-ray diffraction and chemical methods.
mesh_terms: D000293:Adolescent; D000328:Adult; D055598:Chemical Phenomena; D002621:Chemistry; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D014522:Urethral Diseases / Q000378:metabolism; D001744:Urinary Bladder Calculi / Q000378:metabolism; D014545:Urinary Calculi / Q000378:metabolism*; D014961:X-Ray Diffraction