1. Estimates of the worldwide frequency of sixteen major cancers in 1980;Parkin, D.M.; Laara, E.; Muir, C.S.;Int Cancer _,1988
2. Estimates of the worldwide incidence of eighteen major cancers in 1985;Parkin, D.M.; Pisani, P.; Ferlay, J.;IntJ Cancer,1993
3. Canadian cancer statistics;National Cancer Institute of Canada;Toronto,1996
4. Exocrine tumours of the pancreas;Raijman, I.; Levin, B.,1995
5. Progress report. Cancer of the pancreas;Morgan, R.G.; Wormsley, K.G.;Gut,1977