Human prostate carcinoma cells express enzymatic activity that converts human plasminogen to the angiogenesis inhibitor, angiostatin - Gately, S; Twardowski, P; Stack, MS; Patrick, M; Boggio, L; Cundiff, DL; Schnaper, HW; Madison, L; Volpert, O; Bouck, N; Enghild, J; Kwaan, HC; Soff, GA (Cancer Res, 1996)