title: Diurnal variations in plasma triiodothyronine and thyroxine levels of the domestic chicken from day-old to egg-producing age.
mesh_terms: D000367:Age Factors; D000818:Animals; D000831:Animals, Newborn / Q000097:blood; D002645:Chickens / Q000097:blood*; D002940:Circadian Rhythm; D005260:Female; D013974:Thyroxine / Q000097:blood*; D014284:Triiodothyronine / Q000097:blood*
chemical_list: D014284:Triiodothyronine; D013974:Thyroxine