Heads-up Surgery: Endoscopes and Exoscopes for Otology and Neurotology in the Era of the COVID-19 PandemicReview Published on 2021-02-012023-06-19 Journal: Otolaryngologic Clinics of North America [Category] MERS, [키워드] aerosol generating procedure endoscopic ear surgery ergonomics Exoscopic ear surgery mastoidectomy Microscope Minimally-invasive PPE. [DOI] 10.1016/j.otc.2020.09.024 PMC 바로가기 [Article Type] Review