1. 19) Kato, K., Sugahara, T., Kawashima, S., Hayashi, Y., Yoshihiro, A., and Sasaki, T., Study of the specific binding between lipid vesicles and human-human hybridoma toward either DDS or gene transfection. In “Animal Cell Technology: Products from Cells, Cells as Products”, eds. Bernard, A., Griffiths, B., Noe, W., and Wurm, F., Kluwer Academic Publishers, Dordrecht, pp. 433–435 (1999).