Pancreaticoduodenectomy with or without pylorus preservation have similar outcomes: Abstracted from: Tran KTC, Smeenk HG, van Eijck CHJ, et al. Pylorus preserving pancreaticoduodenectomy versus standard Whipple procedure – a prospective, randomized, multi - موسسه استنادی و پالایش علم و فناوری جهان اسلام