Ansari, Noor Alam, et al. “OTOLARYNGOLOGIC MANIFESTATIONS OF GASTROESOPHAGEAL REFLUX DISEASE: Gastroesophageal Reflux Disease”. Pakistan Armed Forces Medical Journal, vol. 58, no. 4, Dec. 2008, pp. 405-8, https://pafmj.org/PAFMJ/article/view/1931.