PhiliPPine Journal of otolaryngology-head and neck Surgery Vol. 36 no. 1 January – June 2021 PhiliPPine Journal of otolaryngology-head and neck Surgery Vol. 36 no. 1 January – June 2021 PhiliPPine Journal of otolaryngology-head and neck Surgery 6968 PhiliPPine Journal of otolaryngology-head and neck Surgery DokNet’s World CAPTOONS Assistant Professor William U. Billones, MD De La Salle Health Sciences Institute Creative Commons (CC BY-NC-ND 4.0) Attribution - NonCommercial - NoDerivatives 4.0 International