(2008). Introduction to Health Services (7th ed.). Clifton Park, N.Y.: Thompson Delmar Learning
Hariharan, S (2015). Using Advanced Practice Registered Nurses, and Physician Assistants to Ease Physician Shortage. Physician Leadership Journal, 2(3) 46-51
Petterson, S.M., Liaw, W.R., Tran, C., & Bazemore, A.W. (2015). Estimating the Residency Expansion Required to Avoid Projected Primary Care Physician Shortages by 2035. Annals of Family Medicine, 13(2), 107-114. Doi: