Pylorusd-preserving pancreatoduedonectomy associated with longitudinal pancreatojejunostomy for treatment of chronic pancreatitis - Machado, Marcel Cerqueira César; Monteiro da Cunha, José Eduardo; Bacchella, Telesforo; Penteado, Sonia; Jukemura, Jose; Abdo, Emilio E.; Montagnini, Andre L. (Hepato-Gastroenterology, 2003)