Different regulation of plasminogen activator inhibitor 2 gene expression by phorbol ester and cAMP in human myeloid leukemia cell line PL-21 - Niiya, K; Taniguchi, T; Sinbo, M; Ishikawa, T-I; Tazawa, S; Hayakawa, Y; Sakuragawa, N (Thromb Haemost, 1994)