Vaughan, A. S., Kramer, M. R., Waller, L. A., Schieb, L. J., Greer, S., & Casper, M. (2015). Comparing methods of measuring geographic patterns in temporal trends: An application to county-level heart disease mortality in the United States, 1973–2010. Ann Epidemiol.

Vaughan, Adam S., Michael R. Kramer, Lance A. Waller, Linda J. Schieb, Sophia Greer, and Michele Casper. "Comparing Methods of Measuring Geographic Patterns in Temporal Trends: An Application to County-level Heart Disease Mortality in the United States, 1973–2010." Ann Epidemiol 2015.

Vaughan, Adam S., et al. "Comparing Methods of Measuring Geographic Patterns in Temporal Trends: An Application to County-level Heart Disease Mortality in the United States, 1973–2010." Ann Epidemiol 2015.