[1]
W. Rajabto, A. F. Syam, and H. Sundaru, “The Pathogenic Triad of Chronic Cough: Postnasal Drip Syndrome, Asthma, and Gastroesophageal Reflux Disease”, InaJGHE, vol. 8, no. 1, pp. 20–23, Jan. 2007.