title: Natural and synthetic estrogenic substances; a comparison of the effect upon the endometrium in castrated women.
mesh_terms: D003271:Contraceptive Agents, Female; D004717:Endometrium; D045166:Estradiol Congeners; D004967:Estrogens; D005260:Female; D006801:Humans
chemical_list: D003271:Contraceptive Agents, Female; D045166:Estradiol Congeners; D004967:Estrogens
keywords: ESTROGENS