Al-Tawfiq, J. A., M. Diamond, D. Joy, and K. Hinedi. “Performance of CURB-65 in Predicting Mortality of Patients With Community-Acquired Pneumonia in Saudi Arabia”. The Journal of Infection in Developing Countries, Vol. 11, no. 10, Oct. 2017, pp. 811-4, doi:10.3855/jidc.9585.