title: [Reduction of urinary calcium/creatinine ratio; the first sign of impaired vitamin D metabolism in children on anticonvulsant therapy].
mesh_terms: D000927:Anticonvulsants / Q000009:adverse effects*; D002118:Calcium / Q000378:metabolism / Q000652:urine*; D002648:Child; D003404:Creatinine / Q000652:urine*; D005753:Gastric Mucosa / Q000378:metabolism; D006801:Humans; D007408:Intestinal Absorption; D007684:Kidney Tubules / Q000378:metabolism; D014807:Vitamin D / Q000378:metabolism*
chemical_list: D000927:Anticonvulsants; D014807:Vitamin D; D003404:Creatinine; D002118:Calcium