1. Histologic grading and the practicing urologist;Albertsen;Prostate,1982
2. American Joint Committee for Cancer Staging and End-Results Reporting: Manual for Staging of Cancer, 1978, pp. 119–124.
3. Carcinoma of the Prostate: Clinical Observations and Treatment;Andersen,1959
4. Carcinoma of the prostate: A study of the postmortem findings in one hundred and seventy-six cases;Arnheim;J. Urol.,1948
5. On the incidence of carcinoma of the prostate;Ashley;J. Pathol.,1965