Gastric Yield Pressure and Gastric Yield Volume to Assess Anti-Reflux Barrier in a Porcine Model. - Duarte, Marcos E. S.; Freitag, Carmen P. F.; Fornari, Fernando; Kruel, Cleber R. P.; Sanches, Paulo R. S.; Thomé, Paulo R. O.; Callegari-Jacques, Sidia M.; Möllerke, Roseli O.; Vicente, Yvone A. M. V. A.; Goldani, Helena A. S.; Barros, Sérgio G. S. (Journal of Investigative Surgery, 2013)