Khan, N. N., Ioannou, L., Pilgrim, C., Earnest, A., Maharaj, A., Croagh, D., … Evans, S. (2021). Challenges in Data Linkage – Experiences from An Upper Gastrointestinal Cancer Data Linkage Study. International Journal of Population Data Science, 5(5). https://doi.org/10.23889/ijpds.v5i5.1444