title: Letter: Anticonvulsants and vitamin D metabolism.
mesh_terms: D002648:Child; D004359:Drug Therapy, Combination; D004827:Epilepsy / Q000188:drug therapy*; D006801:Humans; D010018:Osteomalacia / Q000139:chemically induced*; D010634:Phenobarbital / Q000008:administration & dosage / Q000009:adverse effects*; D010672:Phenytoin / Q000008:administration & dosage / Q000009:adverse effects*; D011324:Primidone / Q000008:administration & dosage / Q000009:adverse effects*; D012279:Rickets / Q000139:chemically induced*
chemical_list: D011324:Primidone; D010672:Phenytoin; D010634:Phenobarbital