title: Who is for supplemental oxygen?
authors.forename: G D
authors.initials: GD
authors.lastname: Bell
mesh_terms: D002760:Cholangiopancreatography, Endoscopic Retrograde; D016099:Endoscopy, Gastrointestinal / Q000009:adverse effects; D006801:Humans; D000860:Hypoxia / Q000517:prevention & control*; D009064:Mouth Protectors; D010100:Oxygen / Q000008:administration & dosage*; D010102:Oxygen Inhalation Therapy
chemical_list: D010100:Oxygen