A dose of vitamin D history.
D002648:Child; D003060:Cod Liver Oil / Q000627:therapeutic use; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D012279:Rickets / Q000266:history / Q000628:therapy; D014807:Vitamin D / Q000008:administration & dosage / Q000266:history*
D014807:Vitamin D; D003060:Cod Liver Oil