Elmanfe, Galal, Suad K. Omar, Noreldin S.Y. Abdolla, and Amna M. Hassan. “Determination of Nicotine in Libyan Smokers’ Urine Compared With That of Nonsmokers Using Reversed Phase – High Performance Liquid Chromatog-Raphy (RP-HPLC)”. Al-Mukhtar Journal of Sciences 34, no. 3 (September 30, 2019): 172–180. Accessed April 26, 2024. https://omu.edu.ly/journals/index.php/mjsc/article/view/323.