S. C. Wallingford, S. A. Russell, A. Vail, C. M. Proby, J. T. Lear, and A. C. Green, “Actinic Keratoses, Actinic Field Change and Associations with Squamous Cell Carcinoma in Renal Transplant Recipients in Manchester, UK”, Acta Derm Venereol, vol. 95, no. 7, pp. 830–834, Apr. 2015.