Kaewrudee, Srinaree Effect of estrogen-progestin and estrogen on mammographic density. [electronic resource] - The Journal of reproductive medicine Jun 2007 - 513-20 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 0024-7758 Subjects--Topical Terms: Breast--drug effectsCohort StudiesDrug CombinationsEstrogen Replacement Therapy--adverse effectsEstrogens--pharmacologyFemaleHumansMammography--statistics & numerical dataMiddle AgedPostmenopause--drug effectsProgestins--pharmacologyThailand