On an antagonist of vitamin D.
D000818:Animals; D000963:Antimetabolites; D001681:Biological Assay; D002338:Carotenoids / Q000494:pharmacology; D002845:Chromatography; D006109:Poaceae; D051381:Rats; D012279:Rickets / Q000188:drug therapy; D014801:Vitamin A / Q000494:pharmacology; D014807:Vitamin D / Q000627:therapeutic use*; D014815:Vitamins
D000963:Antimetabolites; D014815:Vitamins; D014801:Vitamin A; D014807:Vitamin D; D002338:Carotenoids