1. Boyce N, McNeil J, Graves D, Dunt D. Quality and outcome indicators for acute healthcare services. Canberra: Australian Government Publishing Services; 1997. pp. 102. Available at: http://elibrary.zdrave.net/document/Australia/execsmry.pdf (accessed 24 November 2014).
2. Macchi L, Pietikäinen E, Reiman T, Heikkilä J, Ruuhilehto K. Patient safety management. Available models and systems. Finland: VTT Technical Research Centre of Finland; 2011 May. pp. 50. Available at: http://www.vtt.fi/inf/pdf/workingpapers/2011/W169.pdf (accessed 24 November 2014).
3. Kristensen S, Mainz J, Bartels P. Establishing a set of patient safety indicators. Safety improvement for patients in Europe (SImPatIE). Regionshuset (Denmark): The ESQH-office for Quality Indicators; 2007 March. Available at: http://hope.be/03activities/docsactivities/SIMPATIE_Patient_safety_establishing_indicators.pdf (accessed 24 November 2014).
4. Defining and classifying clinical indicators for quality improvement
5. Mix of methods is needed to identify adverse events in general practice: A prospective observational study