younas, alveena, Muhammad Asif Nawaz, Ayesha Hafeez, Aamir Ijaz, Muhammad Aamir, Saima Shakil Malik, Naveed Asif, and Abdul Manan. “Diagnostic Accuracy of Cannabinoid Testing by Liquid Chromatography-Tandem Mass Spectrometry in Human Hair”. Journal of the Pakistan Medical Association (October 15, 2020): 1–15. Accessed April 19, 2026. https://mail.jpma.org.pk/index.php/public_html/article/view/1665.