Elastase released from human granulocytes stimulated with N-formyl-chemotactic peptide prevents activation of tumor cell prourokinase (pro-uPA) - Schmitt, M; Kanayama, N; Henschen, A; Hollrieder, A; Hafter, R; Gulba, D; Jänicke, F; Graeff, H (FEBS, 1989)