TY - JOUR T1 - Comparative results of gastric submucosal injection with hydroxypropyl methylcellulose, carboxymethylcellulose and normal saline solution in a porcine model JO - Arquivos de Gastroenterologia A1 - Lenz, Luciano A1 - Di Sena, Veruska A1 - Nakao, Frank S. A1 - Andrade, Gustavo Paulo de A1 - Rohr, Maria Rachel da Silveira A1 - Ferrari Jr, Angelo Paulo SN - 0004-2803 UL - 10.1590/S0004-28032010000200013 VL - 47 Y1 - 2010 PB - Brasil ER -