1. Centers for Disease Control and Prevention(2010)Ambulatory care use and physician office visits. Available at:http://www.cdc.gov/nchs/fastats/physician‐visits.htm(last accessed 17 February 2015).
2. Royal College of General Practitioners(2014)34m patients will fail to get appointment with a GP in 2014. Available at:http://www.rcgp.org.uk/news/2014/february/34m‐patients‐will‐fail‐to‐get‐appointment‐with‐a‐gp‐in‐2014.aspx(last accessed 17 February 2015).
3. The frequency and nature of medical error in primary care: understanding the diversity across studies
4. Health Foundation(2011)Evidence scan: levels of harm in primary care. Available at:http://www.health.org.uk/publications/levels‐of‐harm‐in‐primary‐care(last accessed 14 November 2014).