Khatiwada, S., Bhattarai, B., Pokharel, K., Acharya, R., Ghirnire, A. and Baral, D. (2012) “Comparison of modified mallampati test between sitting and supine positions for prediction of difficult intubation”, Health Renaissance, 10(1), pp. 12–15. doi: 10.3126/hren.v10i1.6000.