title: Editorial: The endogenous factor in intestinal calcium absorption.
mesh_terms: D000328:Adult; D000818:Animals; D002118:Calcium / Q000378:metabolism*; D002762:Cholecalciferol / Q000096:biosynthesis / Q000378:metabolism / Q000502:physiology; D002784:Cholesterol / Q000378:metabolism; D004032:Diet; D006801:Humans; D006900:Hydroxylation; D007408:Intestinal Absorption / Q000187:drug effects*; D008862:Microsomes, Liver / Q000378:metabolism; D051381:Rats; D012867:Skin / Q000528:radiation effects; D013250:Steroid Hydroxylases / Q000378:metabolism; D013268:Stimulation, Chemical; D014466:Ultraviolet Rays; D014807:Vitamin D / Q000494:pharmacology*
chemical_list: D014807:Vitamin D; D002762:Cholecalciferol; D002784:Cholesterol; D013250:Steroid Hydroxylases; D002118:Calcium