title: How to reduce unnecessary duplication: use PROSPERO.
authors.affiliation: Faculty of Medicine, Clinical Epidemiology Program, Ottawa Hospital Research Institute, University of Ottawa, Ottawa, ON, Canada.
authors.forename: D
authors.initials: D
authors.lastname: Moher
authors.forename: A
authors.initials: A
authors.lastname: Booth
authors.forename: L
authors.initials: L
authors.lastname: Stewart
mesh_terms: D002585:Cesarean Section; D002638:Chewing Gum; D005260:Female; D006801:Humans; D045823:Ileus / Q000517:prevention & control*; D007422:Intestines / Q000502:physiology*; D011183:Postoperative Complications / Q000517:prevention & control*; D011247:Pregnancy; D020127:Recovery of Function
chemical_list: D002638:Chewing Gum