Changing the way we operate : the 2001 report of the National Confidential Enquiry into Perioperative Deaths / compiled by: M. Burke ... [et al.]. - London : NCEPOD, 2001. - 174p. Data collection period 1 April 1999 to 31 March 2000. Subjects--Topical Terms: Surgery--Complications.Surgical emergencies.Surgery--Statistics.Medical audit--Great Britain.Intraoperative complications.Postoperative complications.Anesthesia--Standards.Mortality--Statistics.--Great Britain