1. Hoyt R, Hersh W, editors. Health informatics: practical guide. 7th ed. Pensacola: Lulu.com; 2018.
2. Hersh W. A stimulus to define informatics and health information technology. BMC Med Inform Decis Mak. 2009;9:24.
3. Collen M, Ball M, editors. The history of medical informatics in the United States. New York: Springer; 2015.
4. Fourman M. Informatics. In: Feather J, Sturges P, editors. International encyclopedia of information and library science. 2nd ed. London: Routledge; 2002. p. 237–44.
5. Collen M. The origins of informatics. J Am Med Inform Assoc. 1994;1:91–107.