1. Salisbury C, Johnson L, Purdy S, Valderas JM, Montgomery AA. Epidemiology and impact of multimorbidity in primary care: a retrospective cohort study. Br J Gen Pract. 2011;61(582):e12–21.
2. NHS TB. Delivery High Quality Care For Patients: The Accountability Framework For NHS Trust Boards. 2013.
3. Kingsfund (2010). 'How to deliver high-quality, patient-centred, cost-effective care: Consensus solutions from the voluntary sector'. Kingsfundorguk. 2010. Available at: www.kingsfund.org.uk/sites/files/kf/how-to-deliver-high-quality-patient-centred-cost-effective-care-16-september-2010-kings-fund.pdf (accessed 21 April 2015).
4. National Institute for Clinical Excellence. Patient experience in adult NHS services: improving the experience of care for people using adult NHS services. NICE clinical guideline 138, 2012. Available at: http://www.nice.org.uk/guidance/cg138 (accessed 24 April 2015).
5. Bayliss EA, Ellis JL, Steiner JF. Barriers to self-management and quality-of-life outcomes in seniors with multimorbidities. Ann Fam Med. 2007;5(5):395–402.