Ninan, J. E., R. R. V, T. R. Ramachandran, and S. K. George. “C-MAC Videolaryngoscope Improves the Laryngoscopic View in Mallampati Class 2 and 3 Patients”. Anaesthesia, Pain & Intensive Care, Jan. 2019, pp. 261-5, https://mail.apicareonline.com/index.php/APIC/article/view/203.