Fate and distribution of an antitumor protein-bound polysaccharide PSK (Krestin®) - Ikuzawa,M.; Matsunaga,K.; Nishiyama,S.; Nakajima,S.; Kobayashi,Y.; Andoh,T.; Kobayashi,A.; Ohhara,M.; Ohmura,Y.; Wada,T.; Yoshikumi,C. (Int. J. Immunopharmacology, 1988)