Treatment of ring slippage after gastric bypass long-term results after endoscopic dilation with an achalasia balloon (with videos)
Josemberg Marins Campos Luis Fernando Evangelista; Álvaro Antônio B Ferraz; Manoel P Galvão Neto; Eduardo Guimarães H. de Moura; Paulo Sakai; Edmundo M Ferraz
Gastrointestinal endoscopy Denver v. 72, n. 1, p. 44-49, 2010Denver 2010
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