title: Research ethics review: do it once and do it well.
authors.forename: Paul
authors.initials: P
authors.lastname: Hébert
authors.forename: Raphael
authors.initials: R
authors.lastname: Saginur
mesh_terms: D002170:Canada; D002986:Clinical Trials as Topic; D003299:Cooperative Behavior; D028744:Ethics Committees, Research / Q000458:organization & administration*; D006801:Humans; D015337:Multicenter Studies as Topic