G. Rigi, P. Beyranvand, S. Ghaedmohammadi, S. Heidarpanah, K. Akbari Noghabi, and G. Ahmadian, “Comparison of the extracellular full-length and truncated recombinant protein A production in Escherichia coli BL21 (DE3)”, Arch Adv Biosci, vol. 6, no. 3, pp. 35–45, Aug. 2015.