Meo, S. A., M. Iqbal, A. M. Usmani, A. A. Almana, A. H. Alrashed, and K. A. Al-Regaiey. “Effect of Wearing Cotton Towel Ihram and Plain Ihram on lung function Among Hajj Pilgrims: Lung Function Among Hajj Pilgrims”. Pakistan Journal of Medical Sciences, Vol. 35, no. 4, July 2019, doi:10.12669/pjms.35.4.727.