title: Impermeability of the sheep placenta towards endogenous prolactin.
mesh_terms: D000818:Animals; D005260:Female; D008431:Maternal-Fetal Exchange; D010477:Perfusion; D010539:Permeability; D010920:Placenta / Q000502:physiology*; D011247:Pregnancy; D011388:Prolactin / Q000032:analysis / Q000097:blood*; D011863:Radioimmunoassay; D012110:Reserpine / Q000494:pharmacology; D012756:Sheep / Q000502:physiology*; D013997:Time Factors
chemical_list: D012110:Reserpine; D011388:Prolactin