title: Radioimmunoassay of progesterone in milk: development of techniques for large-scale use as a test of pregnancy.
mesh_terms: D000818:Animals; D002417:Cattle; D005260:Female; D008892:Milk / Q000032:analysis*; D011247:Pregnancy; D011258:Pregnancy Tests / Q000379:methods* / Q000662:veterinary; D011374:Progesterone / Q000032:analysis*; D011863:Radioimmunoassay / Q000379:methods
chemical_list: D011374:Progesterone