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Wong, M. S. L. and Prepageran, Narayanan (2021) Preliminary results of a pilot study on the safety and efficacy of balloon dilatation of the Eustachian tube for nasopharyngeal cancer patients with chronic Eustachian tube dysfunction post irradiation. The Journal of Laryngology & Otology, 135 (8). pp. 691-694. ISSN 0022-2151, DOI https://doi.org/10.1017/S0022215121001560.