Phan, Trang, Anh Nguyen, and Hoang Nguyen. “Cloning and Expression of LTB in Escherichia Coli and Bacillus Subtilis”. Science and Technology Development Journal 16, no. 1 (March 31, 2013): 13-22. Accessed November 23, 2024. http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1392.