Arunotai Siriusswakul และ Ketchada Uerpairojkit. (2013) Development and Validation of a Predictive Model for Difficult Tracheal Intubation in Thai Obese Patients. Chulalongkorn University:ม.ป.ท.Arunotai Siriusswakul และ Ketchada Uerpairojkit. 2013. Development and Validation of a Predictive Model for Difficult Tracheal Intubation in Thai Obese Patients. ม.ป.ท.:Chulalongkorn University;Arunotai Siriusswakul และ Ketchada Uerpairojkit. Development and Validation of a Predictive Model for Difficult Tracheal Intubation in Thai Obese Patients. ม.ป.ท.:Chulalongkorn University, 2013. Print.