Usman, A., Lewis, S., Hinsliff-Smith, K., Long, A., Housley, G., Jordan, J., …Gordon, A. L. (2019). Measuring health related quality of life of care home residents: comparison of self-report with staff proxy responses. Age and Ageing, 48(3), 407–413. https://doi.org/10.1093/ageing/afy191