Haq, Inam ul, Muhammad Amer Saleem, Ali Raza Ansari, Hamza Hassan, and Anum Yousaf. “EFFECT OF CHEWING GUM ON COGNITION AND BEHAVIOURAL ATTRIBUTES”. Pakistan Journal of Physiology 12, no. 1 (March 31, 2016): 22–25. Accessed April 29, 2024. https://pjp.pps.org.pk/index.php/PJP/article/view/418.