Healey, E. L., Jinks, C., Tan, V. A., Chew-Graham, C. A., Lawton, S. A., Nicholls, E., …Mallen, C. D. (2015). Improving the care of people with long-term conditions in primary care: protocol for the ENHANCE pilot trial. Journal of Comorbidity, 5(1), 135 -149. https://doi.org/10.15256/joc.2015.5.60