“Persistence of Olfactory Dysfunction in Post CoVid-19 Patients Using Sniffin Sticks-A Prospective Study”. Bengal Journal of Otolaryngology and Head Neck Surgery 32, no. 1 (November 29, 2024): 37–42. Accessed March 31, 2025. https://bjohns.in/journal23/index.php/bjohns/article/view/137.