title: Seasonal changes in the molecular species and nuclear binding of the chick oviduct progesterone receptor.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000378:metabolism*; D002645:Chickens; D002843:Chromatin / Q000378:metabolism; D004247:DNA / Q000378:metabolism; D005260:Female; D007525:Isoelectric Focusing; D007700:Kinetics; D010057:Oviducts / Q000378:metabolism*; D011374:Progesterone / Q000378:metabolism; D012319:RNA Polymerase II / Q000378:metabolism; D011980:Receptors, Progesterone / Q000302:isolation & purification / Q000378:metabolism*; D012621:Seasons
chemical_list: D002843:Chromatin; D011980:Receptors, Progesterone; D011374:Progesterone; D004247:DNA; D012319:RNA Polymerase II