Abdulghani, H. M., A. A. AlKanhal, E. S. Mahmoud, G. G. Ponnamperuma, and E. A. Alfaris. “Stress and Its Effects on Medical Students: A Cross-Sectional Study at a College of Medicine in Saudi Arabia”. Journal of Health, Population and Nutrition, vol. 29, no. 5, Nov. 2011, pp. 516-22, doi:10.3329/jhpn.v29i5.8906.