Haidry, R. J., Butt, M. A., Dunn, J. M., Gupta, A., Lipman, G., Smart, H. L., Bhandari, P., Smith, L., Willert, R., Fullarton, G., Di Pietro, M., Gordon, C., Penman, I., Barr, H., Patel, P., Kapoor, N., Hoare, J., Narayanasamy, R., Ang, Y., Veitch, A., Ragunath, K., Novelli, M., & Lovat, L. B. (2015). improvement over time in outcomes for patients undergoing endoscopic therapy for Barrett's oesophagus-related neoplasia: 6-year experience from the first 500 patients treated in the UK patient registry. Gut, 64(8), 1192–1199. http://access.bl.uk/ark:/81055/vdc_100137791730.0x000045