title: Vitamin D, parathyroid hormone, and renal failure.
mesh_terms: D002117:Calcitriol / Q000378:metabolism*; D002118:Calcium / Q000378:metabolism*; D006706:Homeostasis; D006801:Humans; D007676:Kidney Failure, Chronic / Q000378:metabolism*; D010281:Parathyroid Hormone / Q000378:metabolism*
chemical_list: D010281:Parathyroid Hormone; D002117:Calcitriol; D002118:Calcium