Vimalachandran, P., H. Wang, Y. Zhang, and G. Zhuo. “The Australian PCEHR System: Ensuring Privacy and Security through an Improved Access Control Mechanism”. EAI Endorsed Transactions on Scalable Information Systems, vol. 3, no. 8, Aug. 2016, p. e4, doi:10.4108/eai.9-8-2016.151633.