Pancreatic Necrosis and Gas in the Retroperitoneum: Treatment with Antibiotics Alone

by Roberto Rasslan, Fernando da Costa Ferreira Novo, Marcelo Cristiano Rocha, Alberto Bitran, Manoel de Souza Rocha, Celso de Oliveira Bernini, Samir Rasslan, Edivaldo Massazo Utiyama