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