1. Incidence of adverse events and negligence in hospitalized patients: results of the Harvard Medical Practice Study I;Brennan;N Engl J Med,1991
2. Physician reporting compared with medical-record review to identify adverse medical events;O'Neil;Ann Intern Med,1993
3. The quality in Australian health care study;Wilson;Med J Aust,1995
4. The incidence and nature of in-hospital adverse events: a systematic review;de Vries;Qual Saf Health Care,2008
5. Health Information and Quality Authority. Investigation into the safety, quality and standards of services provided by the Health Service Executive to patients, including pregnant women, at risk of clinical deterioration, including those provided in University Hospital Galway, and as reflected in the care and treatment provided to Savita Halappanavar. 7 October 2013 (cited 4 November 2015). http://www.hiqa.ie/system/files/Patient-Safety-Investigation-UHG-Summary.pdf