title: Silicon: a requirement in bone formation independent of vitamin D1.
mesh_terms: D000818:Animals; D001846:Bone Development / Q000187:drug effects*; D002762:Cholecalciferol / Q000008:administration & dosage; D003094:Collagen / Q000378:metabolism; D004032:Diet; D004872:Ergocalciferols / Q000008:administration & dosage; D008297:Male; D012825:Silicon / Q000008:administration & dosage*; D012886:Skull / Q000187:drug effects / Q000254:growth & development / Q000378:metabolism; D014807:Vitamin D / Q000008:administration & dosage*
chemical_list: D004872:Ergocalciferols; D014807:Vitamin D; D002762:Cholecalciferol; D003094:Collagen; D012825:Silicon