"Y. Tsukada,Daisuke Fukuda","Comprehensive analysis of toll price elasticity of demand for toll roads: Demonstration projects on flexible charge in Japan","The 9th Conference of the Eastern Asia Society for Transportation Studies","Proceedings of the Eastern Asia Society for Transportation Studies",,"Vol. 9","No. 66",,2013,Sept. "E. Shirako,N. Hirayama,Y. Tsukada,T. Tanaka,N. Kitamura","Up-regulation of p21CIP1 expression mediated by ERK-dependent and -independent pathways contributes to hepatocyte growth factor-induced inhibition of HepG2 hepatoma cell proliferation",,"J. Cell. Biochem.",,,,,2008,