Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MAGOS AL,Amenorrhea and endometrial atrophy with continuous oral estrogen and progestogen therapy in postmenopausal women,Obstet Gynecol,,,1985,65,,496-501,https://cir.nii.ac.jp/crid/1570291225332720384,