MIRZA, A. A.; ALSAKKAF, M. A.; MOHAMMED, A. A.; MIRZA, A. A.; ELMORSY, S. A. Patterns of emergency department visits during Hajj period: Towards healthcare optimization in view of Saudi Arabia’s vision 2030: Emergency visit patterns during Hajj. Pakistan Journal of Medical Sciences, v. 35, n. 3, 21 May 2019.