Samal, R. K., R. Kundu, M. Ghosh, and S. Singha. “A Comparative Study of Tracheal Intubation Characteristics Using Macintosh and Airtraq Laryngoscope”. International Journal of Medical and Dental Sciences, vol. 3, no. 2, July 2014, pp. 460-7, doi:10.19056/ijmdsjssmes/2014/v3i2/81292.