title: Resurgence of vitamin D.
mesh_terms: D000818:Animals; D001717:Birds; D005399:Fishes; D006801:Humans; D010281:Parathyroid Hormone / Q000502:physiology; D014807:Vitamin D / Q000502:physiology*
chemical_list: D010281:Parathyroid Hormone; D014807:Vitamin D