Regulation of urokinase receptors in monocyte-like U937 cells by phorbol ester phorbol myristate acetate - Picone, R; Kajtaniak, E; Nielsen, L; Behrendt, N; Mastronicola, M; Cubellis, M; Stoppelli, M; Pedersen, S; Dano, K; Blasi, F (J Cell Biol, 1989)