Jain, R. K., D. K. Gupta, C. D. Bhutia, A. K. Chaudhary, V. Singh, M. Mangla, L. Pujari, and I. Dhal. “Oropharyngeal Adenocarcinoma As a Rare Presentaton Secondary to Gastric Adenocarcinoma: A Case Study”. International Journal of Otorhinolaryngology and Head and Neck Surgery, vol. 6, no. 12, Nov. 2020, pp. 2316-9, doi:10.18203/issn.2454-5929.ijohns20205082.