title: Letter to the editor: single nasopharyngeal airway for oral surgery and minor eye operations.
mesh_terms: D000766:Anesthesia, Dental / Q000295:instrumentation; D000769:Anesthesia, Inhalation / Q000295:instrumentation*; D008722:Methods; D009305:Nasopharynx; D013508:Ophthalmologic Surgical Procedures; D013515:Surgery, Oral