1. The role of cervical cytology in the declining morbidity and mortality of cervical cancer;Cramer, D.W.;Cancer,1974
2. Incidence and stage distribution in Sweden: the effect of-control measures;Petterson, F.; Bjorkholm, E.; Karnstrom, L.,1982
3. Efficacy of screening in preventing invasive cervical cancer: a case control study in Milan, Italy;Berrino, F.; Gatta, G.; d'Alto, M.; Crosignani, P.,1986
4. Cervical cancer screening in Iceland: a case control study;Geirsson, G.; Kristiansdottir, R.; Sigurdsson, K.; Moss, S.; Tulinius, H.,1986
5. Organisation and results of the cervical cytology screening programme in British Columbia, 1955-85;Anderson, G.H.; Boyes, D.A.; Benedet, J.L.;BMJ,1988