title: A developmental study of the levels of progesterone, corticosterone, cortisol, and cortisone circulating in plasma of chick embryos.
mesh_terms: D000367:Age Factors; D000818:Animals; D001667:Binding, Competitive; D002642:Chick Embryo; D002645:Chickens; D002845:Chromatography; D003345:Corticosterone / Q000097:blood*; D003348:Cortisone / Q000097:blood*; D006854:Hydrocortisone / Q000097:blood*; D011374:Progesterone / Q000097:blood*; D011485:Protein Binding; D014316:Tritium
chemical_list: D014316:Tritium; D011374:Progesterone; D003348:Cortisone; D003345:Corticosterone; D006854:Hydrocortisone