Time-varying prognostic impact of tumor biological factors urokinase (uPA), PAI-1, and steroid hormone receptor status in primary breast cancer - Schmitt, M; Thomssen, C; Ulm, K; Seiderer, A; Harbeck, N; Höfler, H; Jänicke, F; Graeff, H (Br J Cancer, 1997)
in press