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2. Trends in the mortality from cervical cancer in the Nordic countries in association with organised screening programmes;Laara, E.; Day, N.E.; Hakama, M.;Lancet,1987
3. Screening for cancer of the uterine cervix in Iceland 1965-78;Johannesson, G.; Geirsson, G.; Day, N.E.; Tulinius, H.;Acta Obstet Gynecol Scand,1982
4. Cervical cancer screening in north-east Scotland;MacGregor, J.E.; Moss, S.; Parkin, D.M.; Day, N.E.,1986
5. Cancer incidence in five continents, Vol 2;Doll, R.; Muir, C.; Waterhouse, J.,1970