title: Progesterone-specific protein crystals in the endometrium: an electron microscopic study.
mesh_terms: D000818:Animals; D003461:Crystallography; D003593:Cytoplasm; D004717:Endometrium / Q000032:analysis*; D004967:Estrogens; D005260:Female; D006801:Humans; D008854:Microscopy, Electron; D011374:Progesterone; D011506:Proteins / Q000032:analysis*; D011817:Rabbits
chemical_list: D004967:Estrogens; D011506:Proteins; D011374:Progesterone