1. Third National Cancer Survey. 1969 Incidence;National Cancer Institute, Biometry Branch, National Institutes of Health,1971
2. Prostatic adenocarcinoma occurring in men under 50 years of age;Johnson;J Surg Oncology,1972
3. Cancer Incidence in Five Continents;International Union Against Cancer,1966
4. Sexual factors in the epidemiology of cancer of the prostate;Steele;J Chron Dis,1971
5. Trends in cancer incidence, mortality, and probability in the state of New York;Gerhardt;NY State J Med,1957