Cloning，Expression and Purification of Urease B Subunit of Helicobacter pylori
Yan Jinjin, Yan Dongming, Zou Xue, Liu Dan, Peng Chao, Su Yanan
Biotechnology Bulletin . 2015, (7): 220 -225 .  DOI: 10.13560/j.cnki.biotech.bull.1985.2015.07.034