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
Milunsky A, Morris JS, Jick H, Rothman KJ, Ulcickas M, Jick SS, Shoukimas P, Willett W. Maternal zinc and fetal neural tube defects. Teratology. 1992 Oct 1;46(4):341-8.
Rothman KJ, Fyler DC. Association of congenital heart defects with season and population density. Teratology. 1976 Feb;13(1):29-34.