title: Methods of oxygen delivery during upper gastrointestinal endoscopy.
authors.forename: T J
authors.initials: TJ
authors.lastname: Borody
mesh_terms: D000281:Administration, Intranasal; D002406:Catheterization, Peripheral; D016099:Endoscopy, Gastrointestinal / Q000009:adverse effects / Q000379:methods*; D006801:Humans; D000860:Hypoxia / Q000209:etiology / Q000517:prevention & control; D010100:Oxygen / Q000008:administration & dosage*
chemical_list: D010100:Oxygen