title: Instrumental neutron activation analysis in the study of the elemental composition of urinary calculi.
mesh_terms: D002129:Calcium Oxalate / Q000032:analysis; D004602:Elements; D006801:Humans; D008274:Magnesium / Q000032:analysis; D017616:Magnesium Compounds; D009501:Neutron Activation Analysis; D010710:Phosphates / Q000032:analysis; D000069877:Struvite; D014527:Uric Acid / Q000032:analysis; D014545:Urinary Calculi / Q000032:analysis*; D019820:Xanthine; D014970:Xanthines / Q000032:analysis
chemical_list: D004602:Elements; D017616:Magnesium Compounds; D010710:Phosphates; D014970:Xanthines; D019820:Xanthine; D002129:Calcium Oxalate; D014527:Uric Acid; D000069877:Struvite; D008274:Magnesium