Schreibstein, L., R. Newton-Dame, K. H. McVeigh, S. E. Perlman, L. E. Thorpe, H. Mandel, and M. Buck. “A Comparison of Clinical Surveillance Systems in New York City”. Online Journal of Public Health Informatics, vol. 8, no. 1, Mar. 2016, doi:10.5210/ojphi.v8i1.6578.