Hamid Madanchi et al. 2011. Fusion of CtxB with StxB, Cloning and Expression of in Esherichia coli: A challenge for Improvement of Immune Response Against StxB: Cloning and coexpression of ctB-stxB fusion in E. coli. Iranian Journal of Pharmaceutical Sciences. 7, 3 (Jul. 2011), 185–190. DOI:https://doi.org/10.22037/ijps.v7.41320.