Evaluation of the effects of a preoperative 2-hour fast with maltodextrine and glutamine on insulin resistance, Acute-phase response, nitrogen balance, and serum glutathione after laparoscopic cholecystectomy: A controlled randomized trial - Dock-Nascimento, Diana Borges; Aguilar-Nascimento, Jose Eduardo de; Faria, Marcelo Sepulveda Magalhaes; Caporossi, Cervantes; Slhessarenko, Natasha; Waitzberg, Dan Linetzky (JPEN: Journal of Parenteral and Enteral Nutrition, 2012)