Tu, Z., He, G., Li, K. X., Chen, M. J., Chang, J., Chen, L., Yao, Q., Liu, D. P., Ye, H., Shi, J. and Wu, X. (2005) “An improved system for competent cell preparation and high efficiency plasmid transformation using different Escherichia coli strains”, Electronic Journal of Biotechnology. Valparaíso, Chile, 8(1), pp. 0–0. Available at: https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v8n1-8 (Accessed: 22 November 2024).