João Carlos Prolla

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BACKGROUND AND AIMS Hypoxemia can occur during endoscopic retrograde cholangiopancreatography probably induced by the analgesia and sedation done. Moreover the patients prone position difficults the(More)
Barrett's esophagus is a metaplastic condition that occurs in patients with gastroesophageal reflux disease (GERD) and its importance lies in its potential to develop adenocarcinoma of the esophagus.(More)