Ullah, M., Siddiq, S., Ur Rehman, A., Quratulain, Q., Royaidar, J., Younus, R. and Ali, Q. (2022) “Impact of smoking on oral health: Knowledge and attitude of medical and dental students”, International journal of health sciences, 6(S9), pp. 4279–4287. doi: 10.53730/ijhs.v6nS9.13693.