title: Surgical safety checklists in ontario, Canada.
authors.forename: Alex B
authors.initials: AB
authors.lastname: Haynes
authors.forename: William R
authors.initials: WR
authors.lastname: Berry
authors.forename: Atul A
authors.initials: AA
authors.lastname: Gawande
mesh_terms: D057189:Checklist; D005260:Female; D006761:Hospitals / Q000592:standards*; D006801:Humans; D008297:Male; D061214:Patient Safety; D011183:Postoperative Complications / Q000401:mortality*; D013514:Surgical Procedures, Operative / Q000401:mortality*