Butt, J., & Kandel, G. (2014). Barrett Esophagus: When to Endoscope. The Korean Society of Gastrointestinal Endoscopy.
Chicago Style aipamenaButt, Joshua, and Gabor Kandel. Barrett Esophagus: When to Endoscope. The Korean Society of Gastrointestinal Endoscopy, 2014.
MLA aipamenaButt, Joshua, and Gabor Kandel. Barrett Esophagus: When to Endoscope. The Korean Society of Gastrointestinal Endoscopy, 2014.
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