title: Transnasal pharyngoscopy to assist nasobiliary tube placement: a           simple technique to avoid injury to the patient, endoscopist, and           endoscope.
authors: C T
authors: CT
authors: Hu
mesh_terms: D001659:Biliary Tract; D016145:Endoscopy, Digestive System / Q000379:methods*; D005260:Female; D006801:Humans; D007440:Intubation / Q000379:methods*; D009666:Nose