Singh VP, Singh CK, Singh AK, Sircar S, Singh VM, Jha AK, Kumar A, Ranjan P. Epidemiological study on the association between tobacco chewing and cigarette smoking in head and neck cancer patients, India. Int J Otorhinolaryngol Head Neck Surg [Internet]. 2024 Jan. 25 [cited 2025 Nov. 16];10(1):74-8. Available from: https://www.ijorl.com/index.php/ijorl/article/view/4133