1. Cancer Incidence in Five Continents;Doll,1966
2. U.S. cancer mortality: nonwhite predominance;Burbank;J Nat Can Inst,1972
3. Cancer Mortality for Selected Sites in 24 Countries;Segi,1966
4. U.S. Metropolitan Mortality 1959–1961;Duffy,1967
5. Differential mortality in the United States;Kitagawa,1973