Raja, Waseem, et al. “DISEASE PATTERNS AMONG HAJJ PILGRIMS ATTENDING MEDICAL FACILITIES OF PAKISTAN HAJJ MEDICAL MISSION 2016 (1437 HIJRI): Disease Patterns Among Hajj Pilgrims”. Pakistan Armed Forces Medical Journal, vol. 67, no. 5, Oct. 2017, pp. 825-31, https://pafmj.org/PAFMJ/article/view/975.