- Enhancement of the antitumor effect by the concurrent use of a monoclonal antibody and the protein-bound polysaccharide PSK in mice bearing a human cancer cell line. Kanoh, T., Saito, K., Matsunaga, K., Oguchi, Y., Taniguchi, N., Endoh, H., Yoshimura, M., Fujii, T., Yoshikumi, C. In Vivo (1994)