Schachterle, Stephen E., Robert W. Mathes, Marc Paladini, and Don Weiss. “Long-Term Asthma Trend Monitoring in New York City: A Mixed Model Approach”. Online Journal of Public Health Informatics 5, no. 1 (March 23, 2013). Accessed January 27, 2022. https://ojphi.org/ojs/index.php/ojphi/article/view/4435.