title: Serum hormone concentrations and their relationships to sexual behavior at the first and second estrous cycles of the Labrador bitch.
mesh_terms: D000818:Animals; D004285:Dogs / Q000097:blood / Q000502:physiology*; D004958:Estradiol / Q000097:blood*; D004970:Estrone / Q000097:blood*; D004971:Estrus; D005260:Female; D007986:Luteinizing Hormone / Q000097:blood*; D011247:Pregnancy; D011374:Progesterone / Q000097:blood*; D012726:Sexual Behavior, Animal
chemical_list: D004970:Estrone; D011374:Progesterone; D004958:Estradiol; D007986:Luteinizing Hormone