J. S. GILL, B. BHARDWAJ, V. ANAND, and S. SINGLA, “THE COMPARATIVE ROLES OF X-RAY NASOPHARYNX AND NASAL ENDOSCOPY IN DIAGNOSIS OF ADENOID HYPERTROPHY”, Nepalese J ENT Head Neck Surg, vol. 4, no. 1, pp. 26–28, Jul. 2013.