Soumya Ghatak, Sirshak Dutta, Rahul Sarkar, Pranay Agarwal, Ramanuj Sinha, and Kaustuv Das Biswas, “Tuberculous retropharyngeal abscess presenting with dysphagia in a young adult male already on anti-tubercular therapy”, APJHS, vol. 1, no. 4(S), pp. 1–5, Dec. 2014.