S. Kanoksin, P. Vitayaburananont, Z. Sadad, N. Pungsopa, and K. Suvarnakich, “Acute Development of Negative Pressure Pulmonary Hemorrhage Secondary to Endotracheal Tube Obstruction: A Case Report”, Vajira Med J, vol. 58, no. 1, p. 67, Dec. 2014.