[The condition of the equilibrium between precalciferol and calciferol].
D002776:Cholestanes; D004872:Ergocalciferols; D006801:Humans; D014807:Vitamin D / Q000737:chemistry*; D014815:Vitamins
D002776:Cholestanes; D004872:Ergocalciferols; D014815:Vitamins; D014807:Vitamin D
VITAMIN D/chemistry