Differences in serum iodohormone concentration between chick embryos with and without the bill in the air chamber at different incubation temperatures.
D000375:Aging; D000818:Animals; D002642:Chick Embryo / Q000502:physiology*; D002645:Chickens; D013696:Temperature; D013974:Thyroxine / Q000097:blood*; D014284:Triiodothyronine / Q000097:blood*
D014284:Triiodothyronine; D013974:Thyroxine