1. WHO, 10 facts on patient safety [Internet] . WHO. World Health Organization; [cited 2020 Apr 2]. Available: http://www.who.int/features/factfiles/patient_safety/en/
2. Kelsey F , Gianluca F , Ara D . The Global State of Patient Safety [Internet]. [cited 2020 Oct 9]. Available: https://www.imperial.ac.uk/media/imperial-college/institute-of-global-health-innovation/GlobalStateofPS_DIGITAL_16Sep19%5B2%5D.pdf
3. Unexpectedly long Hospital stays as an indicator of risk of unsafe care: an exploratory study;Borghans;BMJ Open,2014
4. Donaldson MS . An Overview of To Err is Human: Re-emphasizing the Message of Patient Safety. In: Hughes RG , ed. Patient Safety and Quality: An Evidence-Based Handbook for Nurses [Internet]. Rockville (MD): Agency for Healthcare Research and Quality (US), 2008. http://www.ncbi.nlm.nih.gov/books/NBK2673/
5. Wolf ZR , Hughes RG . Error Reporting and Disclosure. In: Hughes RG , ed. Patient Safety and Quality: An Evidence-Based Handbook for Nurses [Internet]. Rockville (MD): Agency for Healthcare Research and Quality (US). [cited 2020 Apr 2]. (Advances in Patient Safety), 2008. http://www.ncbi.nlm.nih.gov/books/NBK2652/