Production of thrombopoietin (TPO) by rat hepatocytes and hepatoma cell lines - Shimada, Y; Kato, T; Ogami, K; Horie, K; Kokuobo, A; Kudo, Y; Maeda, E; Sohma, Y; Akahori, H; Kawamura, K; Miyazaki, H (Exp Hematol, 1995)