title: A comparison of plasma progesterone and luteinizing hormone in growing hens from eight weeks of age to sexual maturity.
mesh_terms: D000367:Age Factors; D000818:Animals; D002645:Chickens / Q000254:growth & development / Q000502:physiology*; D005260:Female; D007986:Luteinizing Hormone / Q000097:blood*; D011374:Progesterone / Q000097:blood*; D012741:Sexual Maturation
chemical_list: D011374:Progesterone; D007986:Luteinizing Hormone