title: Variations in plasma level of sexual steroids during the oviposition cycle in laying hens (Gallus domesticus).
mesh_terms: D000818:Animals; D002645:Chickens / Q000097:blood*; D004967:Estrogens / Q000097:blood; D005260:Female; D012739:Gonadal Steroid Hormones / Q000097:blood*; D010058:Oviposition; D011374:Progesterone / Q000097:blood; D013739:Testosterone / Q000097:blood
chemical_list: D004967:Estrogens; D012739:Gonadal Steroid Hormones; D013739:Testosterone; D011374:Progesterone