title: Isolation of progesterone--forty years ago.
mesh_terms: D000107:Acetylation; D000818:Animals; D002621:Chemistry; D004704:Endocrinology / Q000266:history*; D005260:Female; D005858:Germany; D049673:History, 20th Century; D006358:Hot Temperature; D008722:Methods; D011044:Poland; D011374:Progesterone / Q000302:isolation & purification; D013552:Swine
chemical_list: D011374:Progesterone