title: Letter: Phosphorus depletion and vitamin D metabolism.
mesh_terms: D006801:Humans; D010281:Parathyroid Hormone / Q000502:physiology; D010758:Phosphorus / Q000378:metabolism*; D014807:Vitamin D / Q000378:metabolism*
chemical_list: D010281:Parathyroid Hormone; D014807:Vitamin D; D010758:Phosphorus