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Various authors. Endoscopy in upper GI bleeding. Endoscopy 1986 18 Suppl:1-68.
Elleson DA and Rowley SD. Esophageal perforation: its early diagnosis and treatment. Laryngoscope 1982 92(6 Pt 1):678-80.
Hawes RH. Normal endosonographic findings. Gastrointestinal Endoscopy 1996 43(2 Pt 2):S6-10.
Chapter 9: Esophagoscopy and Endoscopic Esophageal Ultrasonography. Glenn's Thoracic and Cardiovascular Surgery (Baue, Geha, Hammond, Laks, and Naunheim), 6th ed., 153-168.
Chapter 39: The Esophagus - Anatomy and Functional Evaluation. Glenn's Thoracic and Cardiovascular Surgery (Baue, Geha, Hammond, Laks, and Naunheim), 6th ed., 691-728.