4Toyofuku K, Nishimura J, Kobayashi S, et al. Effects of U46619 on intracellular Ca concentration and tension in hunan umblilical artery[J]. Am J Obstet Gynecol, 1995,172(5) : 1414.
5Virgolini I, Dembinska-kiec A, Rauscha F, et al. Ozagrel and platelet function in treatment of ischemic cerebral disease [J].Throm Res, 1992,65 C4) : 559-570.