Aggarwal, N. ., Dutta, S., Choudhury, A., Dutta, M., Das, S., & Sinha, R. (2019). Non-malignant Oral Ulcer: A Diagnostic Challenge to Otorhinolaryngologists. Bengal Journal of Otolaryngology and Head Neck Surgery, 27(3), 223-228. https://doi.org/10.47210/bjohns.2019.v27i3.11