Nguyet, P. T., Hanh, N. H., Khang, D. D. and Hai, T. N. (2014) “Expression of the gene region prem-env of dengue virus type 2 in Pichia pastoris”, Academia Journal of Biology, 27(3), pp. 66–71. doi: 10.15625/0866-7160/v27n3.5273.