title: A possible role of oestrogens in the stimulation of prostaglandin F 2  output at the time of parturition in a sheep.
mesh_terms: D000818:Animals; D001681:Biological Assay; D002849:Chromatography, Gas; D004967:Estrogens / Q000097:blood / Q000378:metabolism*; D005260:Female; D007743:Labor, Obstetric; D013058:Mass Spectrometry; D011247:Pregnancy; D011374:Progesterone / Q000097:blood; D011453:Prostaglandins / Q000097:blood / Q000378:metabolism*; D011863:Radioimmunoassay; D012756:Sheep; D014599:Uterus / Q000378:metabolism
chemical_list: D004967:Estrogens; D011453:Prostaglandins; D011374:Progesterone