YC, K. ., H. . SH, N. . TH, L. . CK, M. A. . A, and M. F. . AR. “Airway Y-Stent Insertion in Tracheobronchomalacia: A New Experience”. IIUM Medical Journal Malaysia, vol. 11, no. 1, June 2012, doi:10.31436/imjm.v11i1.548.