The role of ischemic preconditioning and pentoxifylline in intestinal ischemia/reperfusion injury of rats - Oliveira, Teresinha Regina Ribeiro de; Oliveira, Geraldo Ferreira; Simões, Ricardo dos Santos; Tikazawa, Eduardo Hiroshi; Monteiro, Hugo Pequeno; Fagundes, Djalma José; Taha, Murched Omar (Acta Cirúrgica Brasileira, 2017)