Raghunathan K, Layton JB, Ohnuma T, Shaw AD. Observational research using propensity scores. Adv Chronic Kidney Dis. 2016 Nov;23(6):367-72. doi: 10.1053/j.ackd.2016.11.010
Hegarty AC, Carsin AE, Comber H. Geographical analysis of cancer incidence in Ireland: comparison of two bayesian spatial models. Cancer Epidemiol. 2010 Aug;34(4):373-81. doi: 10.1016/j.canep.2010.04.019