Riley, R., Spiers, J., Buszewicz, M., Taylor, A., Thornton, G., & Chew-Graham, C. (2018). What are the sources of stress and distress for general practitioners working in England? A qualitative study. BMJ Open, 8(1), e017361. https://doi.org/10.1136/bmjopen-2017-017361 (Original work published 2018)