1. Adams, M., D. Bates, and G. Coffman. 2008. Saving lives, saving money: The imperative for computerized physician order entry in massachusetts hospital. Boston: Massachusetts Technology Collaborative and New England Healthcare Institute.
2. Barros, P.P. 2012. Pharmaceutical market reforms in portugal under the memorandum of understanding. Eurohealth 18 (1). European Observatory on Health Systems and Policies.
3. Bates, W.D., L.L. Leape, and J.D. Cullen. 1998. Effect of computerized physician order entry and a team intervention on prevention of serious medication errors. Journal of the American Medical Association 280 (15): 1311–1316.
4. Beuscart-Zephir, C.M., S. Pelayo, and P. Degoulet. 2004. A usability study of CPOE’s medication administration functions: Impact on physician-nurse cooperation. Studies in Health Technologies and Informatics 107 (2): 1018–1022.
5. Biohealthmatics.com. 2006. Pharmacy Information Systems. http://www.biohealthmatics.com/technologies/his/pis.aspx . Accessed 15 June 2016.