Effects of flavonoids isolated from Scutellariae Radix on the production of tissue-type plasminogen activator and plasminogen activator inhibitor-1 induced by thrombin and thrombin receptor agonist peptide in cultured human umbilical vein endothelial cells - Kimura,Y.; Yokoi,K.; Matsushita,N.; Okuda,H. (J. Pharm. Pharmacol., 1997)