Zubair, Akmal, Jawad Rao, Shabnam Mehboob, Abdul Haseeb, Muhammad Hashim, Hassan Ayaz, Inzimam ul Haq, Maleeha Nisar, Waseem Ullah Khan, Obaid Ullah Khan, and Faizan Khattak. 2023. “LC-MS Method Development and Optimization for Small Drug Analysis in Urine : LC-MS Method Development”. Pakistan Journal of Health Sciences 4 (05). Pakistan:90-95. https://doi.org/10.54393/pjhs.v4i05.738.