Krishnappa, S. and N., N.G. 2020. Transoral endoscopic approach versus transcervical with or without mandibular swing approach to parapharyngeal space- a retrospective cohort study in a tertiary care center in Tamil Nadu. International Journal of Otorhinolaryngology and Head and Neck Surgery. 6, 11 (Oct. 2020), 2022–2028. DOI:https://doi.org/10.18203/issn.2454-5929.ijohns20204625.