1. Population growth rate. Data World Bank, population growth rate. 2017. Available from: https://www.google.com.sa/publicdata/explore?ds=d5bncppjof8f9_&met_y=sp_pop_grow&idim=country:SAU:PAK:EGY&hl=en&dl=en#!ctype=l&strail=false&bcs=d&nselm=h&met_y=sp_pop_grow&scale_y=lin&ind_y=false&rdim=region&idim=country:SAU:PAK:EGY&ifdim=region&hl=en_US&dl=en&ind=false
2. Saudi Arabia Population. Based on the latest United Nations estimates. 2017. Available from http://www.worldometers.info/world-population/saudi-arabia-population/
3. Mansoor Ahmed, Imad Damrah. Kingdom of Saudi Arabia Healthcare Overview, Colliers International, first quarter 2012. 2012 [cited 2017 Sep 15]. Available from: www.colliers.com/~/media/files/…/2012q1-saudi-arabia-healthcare-overview.ashx
4. Health Indicators. Ministry of Health, Department of Statistics. 2006 [cited 2017 Sep 15]. Available from: http://www.moh.gov.sa/statistics/S1427/Chapter%201.pdf
5. Syed Taimure Akhtar, Saleh AlQuati. KSA Medical Healthcare Sector, aljazira capital. 2013 [cited 2017 Sep 10]. Available from: http://www.aljaziracapital.com.sa/report_file/ess/SEC-86.pdf