Correspondence section: Regression lines and correlations.
D000818:Animals; D002645:Chickens; D002762:Cholecalciferol / Q000378:metabolism; D006887:Hydroxycholecalciferols / Q000378:metabolism; D008722:Methods; D012044:Regression Analysis; D013223:Statistics as Topic
D006887:Hydroxycholecalciferols; D002762:Cholecalciferol