Ghazy, E. A., S. M. Al Muhayawi, S. A. Mourad, and R. A. Alahdal. “Comparison of Safety and Efficacy of Al-Hijama (Cupping) and Conventional Medical Therapy for Sinusitis (I)”. Journal of King Abdulaziz University - Medical Sciences, vol. 25, no. 2, Dec. 2018, pp. 11-26, doi:10.4197/Med.25-2.2.