1. I. Azuma, Immunological and biochemical properties of bacterial fractions and related compounds with special reference to BCG cell wall skeleton and N. rubra cell wall skeleton, in: “Molecular and Cellular Networks for Cancer Therapy,” Y. Yamamura and I. Azuma, eds., Excerpta Medica, Tokyo, pp. 83–104 (1989).
2. F. Ellouz, A. Adam, R. Ciorubaru, and E. Lederer, Minimal structural requirements for adjuvant activity of bacterial peptidoglycan subunits, Biochem. Biophys. Res. Commun. 59: 1317 (1974).
3. S. Kotani, Y. Watanabe, F. Kinoshita, T. Shimono, I. Morisaki, T. Shiba, S. Kusumoto, Y. Tarumi, and K. Ikenaka, Immunoadjuvant activities of synthetic N-acetylmuramyl-peptides or amino acids, Biken J. 18: 105 (1975).
4. I. Azuma, K. Nishimura, and S. Tokura, The immunological properties of chitin derivatives. — A Review, in: “Degradation and Biocompatibility of Synthetic Degradable Polymers”, D.F. Williams, ed., CRC Press, London, in press.
5. J. Iida, N. Nishi, I. Saiki, N. Mizukoshi, C. Ishihara, S. Tokura, and I. Azuma, Macrophage activation and host augmentation against Sendai virus infection with synthetic polypeptides in mice, Int. J. Immunopharm. 11: 249 (1989).