- Racial and ethnic differences in advanced-stage prostate cancer: the Prostate Cancer Outcomes Study. Hoffman, R.M., Gilliland, F.D., Eley, J.W., Harlan, L.C., Stephenson, R.A., Stanford, J.L., Albertson, P.C., Hamilton, A.S., Hunt, W.C., Potosky, A.L. J. Natl. Cancer Inst. (2001)