Khan, Ghulam Jillani, Rashid Mehmood, Salah -ud- Din, and Ihtesham -ul- Haq. 2003. “EFFECTS OF LONG-TERM USE OF TOBACCO ON TASTE RECEPTORS AND SALIVARY SECRETION”. Journal of Ayub Medical College Abbottabad 15 (4). https://jamc.ayubmed.edu.pk/index.php/jamc/article/view/3994.