title: Primary bladder stone disease in children--crystallisation studies with special reference to urinary excretion of pyrophosphates.
mesh_terms: D002648:Child; D003460:Crystallization; D011756:Diphosphates / Q000652:urine*; D005260:Female; D006801:Humans; D007669:Kidney Calculi / Q000652:urine; D008297:Male; D010710:Phosphates / Q000652:urine*; D001744:Urinary Bladder Calculi / Q000652:urine*
chemical_list: D011756:Diphosphates; D010710:Phosphates