Safi, S., Manzoor, S., Nasir, U., Ullah, F., Durrani, N., & Taj, F. (2021). Aphthous Ulceration – Risk Factors Among Dental Students at Khyber College of Dentistry, Peshawar. Journal of Gandhara Medical and Dental Science, 8(3), 47–52. https://doi.org/10.37762/jgmds.8-3.195