Snelick, Robert, Charlie Ishikawa, Rebecca Zwickl, and Sheryl Taylor. “EHR Conformance Testing for Enhanced Syndromic Surveillance System Interoperability”. Online Journal of Public Health Informatics 6, no. 1 (March 9, 2014). Accessed April 17, 2024. https://ojphi.org/ojs/index.php/ojphi/article/view/5081.