title: Four-centre study of anaesthetic outcomes.
authors.forename: P H
authors.initials: PH
authors.lastname: Norman
authors.forename: M D
authors.initials: MD
authors.lastname: Daley
mesh_terms: D000758:Anesthesia; D015982:Bias; D002170:Canada; D003625:Data Collection; D006801:Humans; D007407:Interviews as Topic; D015337:Multicenter Studies as Topic; D017063:Outcome Assessment, Health Care; D015203:Reproducibility of Results; D012107:Research Design