552,309 SPARÉN PÄR Early detection and screening for cancer of the cervix in Sweden during the 20th century : [dissertation] / by Par Sparén ; [Department of Cancer Epidemiology, University Hospital, Uppsala]. - Uppsala : Acta Universitatis Upsaliensis, 1996. - 56 s. : wykr. ; 24 cm (Acta Universitatis Upsaliensis. Comprehensive Summaries of Uppsala Dissertations from the Faculty of Medicine, ISSN 0282-7476 ; 599) ISBN 91-554-3725-7