Site-specific PEGylation of engineered cysteine analogues of recombinant human interleukin-11
LI Zhi-Hua- Hu-Man-Cang- Yan-Ling-Mei- Diao-Yu-Jiao- Yang-Xu- Bang-Zheng-Hua- Xu-Wei-Meng- Li-Jian-Feng
China Biotechnology . 2009, (06): 20 -24 .