title: To err is human.
authors.forename: Stephen D
authors.initials: SD
authors.lastname: Roberts
mesh_terms: D000761:Anesthesia Department, Hospital / Q000458:organization & administration*; D015982:Bias; D017081:Cholecystectomy, Laparoscopic; D003198:Computer Simulation; D003627:Data Interpretation, Statistical; D006801:Humans; D015203:Reproducibility of Results