title: Trans-nasal route. The new way of upper gastrointestinal technique diagnostic endoscopy.
authors.forename: M A
authors.initials: MA
authors.lastname: Al-Karawi
mesh_terms: D016292:Procedural Sedation / Q000009:adverse effects / Q000191:economics; D016099:Endoscopy, Gastrointestinal / Q000191:economics / Q000379:methods* / Q000523:psychology / Q000639:trends; D007441:Intubation, Gastrointestinal / Q000191:economics / Q000295:instrumentation / Q000379:methods* / Q000523:psychology; D009055:Mouth; D009666:Nose; D010342:Patient Acceptance of Health Care / Q000523:psychology; D018579:Patient Selection; D012529:Saudi Arabia