Endoscopic ultrasound in the evaluation of Barrett's esophagus: a preliminary report.
Falk
G W
GW
D001471:Barrett Esophagus / Q000000981:diagnostic imaging*; D016145:Endoscopy, Digestive System; D004947:Esophagus / Q000000981:diagnostic imaging; D006801:Humans; D014463:Ultrasonography