D. S. M. Alosaimi, K. I. AlQumaizi, A. I. Alfarhan, D. Z. M. Yousef, and D. M. A. Al hunaishel, “Patient’s Complaints and Response Mechanism Provided by Departments in the Ambulatory Care Settings of King Abdulaziz Medical City, Riyadh, Saudi Arabia”, Health Informatics Journal, vol. 12, no. 1, May 2018.