title: Diagnosis and presentation of rickets.
mesh_terms: D002648:Child; D002681:China; D003906:Developing Countries; D003937:Diagnosis, Differential; D004305:Dose-Response Relationship, Drug; D004334:Drug Administration Schedule; D004872:Ergocalciferols / Q000008:administration & dosage / Q000506:poisoning; D005500:Follow-Up Studies; D006801:Humans; D012279:Rickets / Q000175:diagnosis* / Q000188:drug therapy
chemical_list: D004872:Ergocalciferols