Rajbanshi, Lalit Kumar, and Satyendra Narayan Singh. 2016. “Comparison of Berman and Ovassapian Intubating Airways for Fiberoptic Orotracheal Intubation in Anaesthetized Patient”. Journal of Society of Anesthesiologists of Nepal 3 (2):69-73. https://doi.org/10.3126/jsan.v3i2.15616.