title: Relationship between follicular size and antral fluid steroid concentrations at three stages of the estrous cycle in the ewe.
mesh_terms: D000818:Animals; D001826:Body Fluids / Q000378:metabolism*; D004958:Estradiol / Q000378:metabolism*; D004971:Estrus; D005260:Female; D006080:Ovarian Follicle / Q000033:anatomy & histology*; D011247:Pregnancy; D011374:Progesterone / Q000378:metabolism*; D012756:Sheep / Q000033:anatomy & histology / Q000502:physiology*; D013739:Testosterone / Q000378:metabolism*
chemical_list: D013739:Testosterone; D011374:Progesterone; D004958:Estradiol