[1] [1] Loeken M R, Roth T F. Immunology, 1983, 49(1): 21.

[2] [2] Da Silva W D, Tambourgi D V. Veterinary Immunology and Immunopathology, 2010, 135: 173.

[4] [4] Piskarev V E, Navrátil J, Karásková H, et al. Biochemical Journal, 1990, 270: 755.

[5] [5] Veronese F M, Pasut G. Drug Discovery Today, 2005, 10(21): 1451.

[7] [7] Veronese F M. Biomaterials, 2001, 22: 405.

[8] [8] Akita E M, Nakai S. Journal of Immunological Methods, 1993, 160(2): 207.

[10] [10] Sousa C M, Miranda R M, Freire R B. Brazilan Archives of Biology and Technology, 2011, 54(4): 643.

[11] [11] Weiner L, Shin I, Shimon J W L, et al. Protein Science, 2008, 18: 196.

[12] [12] Talia M, Wilchek M. Bioconjugate Chemistry, 1993, 4: 586.

[13] [13] Kanako K, Naomi T, Yoshiki S. Pharmaceutical Bulletin, 2010, 33(7): 1253.

[15] [15] Wittenboer A, Niemeijer B, Karmee S K, et al. Journal of Molecular Catalysis B: Enzymatic, 2010, 67: 208.