Reduction of abdominal pressure in patients with ascites reduces gastroesophageal reflux - Rodriguez, T. Navarro; Hashimoto, C. L.; Carrilho, Flair José; Strauss, Edna; Laudanna, Antônio Atílio; Moraes Filho, Joaquim Prado Pinto de (Diseases of the esophagus, 2003)