Nguyen , Thai Ngoc Mai, and Thi Ngoc Van Nguyen. “SIMULTANEOUS DETERMINATION OF SIBUTRAMINE AND PHENOLPHTHALEIN IN NATURAL WEIGHT LOSS SUPPLEMENTS BY HPLC-PDA”. Cantho Journal of Medicine and Pharmacy, no. 29, June 2023, pp. 171-8, https://tapchi.ctump.edu.vn/index.php/ctump/article/view/1603.