Thang, N. Q., L. V. Tan, L. T. Thanh Huong, and N. T. Kim Phuong. “Determination of Cortisol in Oreochromis Sp. Plasma Using the RP-HPLC (reverse Phase –high Performance Liquid Chromatography)”. Vietnam Journal of Chemistry, vol. 53, no. 5, Jan. 2016, p. 559, doi:10.15625/7607.