1. Issues and questions to consider in implementing secure electronic patient-provider web portal communications systems;Wakefield;Int. J. Med. Inform.,2010
2. S. Emont, Measuring the Impact of Patient Portals: What the Literature Tells Us - CHCF.org, (n.d.). http://www.chcf.org/publications/2011/05/measuring-impact-patient-portals (accessed 21.11.16).
3. Patient reported barriers to enrolling in a patient portal;Goel;J. Am. Med. Inform. Assoc.,2011
4. Integrated personal health records: transformative tools for consumer-centric care;Detmer;BMC Med. Inform. Decis. Mak.,2008
5. Automated classification of consumer health information needs in patient portal messages;Cronin;AMIA Annu. Symp. Proceedings. AMIA Symp.,2015