S. Amoozadeh, M. Hemmati, M. M. Farajollahi, N. Akbari, and P. Tarighi, “Determining Induction Conditions for Expression of Truncated Diphtheria Toxin and Pseudomonas Exotoxin A in E. coli BL21”, Novel Biomed, vol. 6, no. 3, pp. 131–137, Aug. 2018.