How to take a look in the oesophagus.
Skau
N
N
D000772:Anesthesia, Local; D003680:Deglutition Disorders / Q000175:diagnosis / Q000209:etiology*; D004935:Esophageal Diseases / Q000175:diagnosis; D004938:Esophageal Neoplasms / Q000175:diagnosis; D004945:Esophagoscopy / Q000379:methods*; D005764:Gastroesophageal Reflux / Q000175:diagnosis; D006801:Humans; D007828:Laryngoscopy / Q000379:methods*