pT1 clear cell renal cell carcinoma: a study of the association between MIB-1 proliferative activity and pathologic features and cancer specific survival. - Cheville,J.C.; Zincke,H.; Lohse,C.M.; Sebo,T.J.; Riehle,D.; Weaver,A.L.; Blute,M.L. (Cancer, 2002)