How to reduce delayed gastric emptying after pancreatoduodenectomy: a systematic literature review and meta-analysis - Gomes dos Santos Ferreira Rebelo, Artur Luis; Kresse, Randi; Sunami, Yoshiaki; Ronellenfitsch, Ulrich; Kleeff, Jörg H.; Klose, Johannes (Annals of surgery open, 2024)