Vu Anh, P., N. N. Thi, N. T. K. Thuong, H. H. Tran, and T. T. Thi. “An HPLC Quantitative Analysis of Paraquat in Human Plasma: A Helpful Tool for Diagnosis and Evaluation of Treatment of Paraquat Poisoning in Vietnamese Hospitals”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 35, no. 2, Aug. 2017, pp. 1-9, https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7763.