PERSSON INGEMAR 605,217 Climacteric treatment with estrogens and estrogen-progestogen combinations : the risk of endometrial neoplasia. : results of a cohort study : /[doctoral thesis]/ by Ingemar Persson ; /Uppsala .University/. -Uppsala : Acad. Upsaliensis, 1983. - 39 s. ; wykr. ; 25 cm /Acfca Universitätis Upaalieasis. Abstracts of Uppsala Dissertations from the Faculty of Medicine, ISSN 0345-004X ; 471, ISBN 91-554-1454-0