Ghazy, Eman, Saad Al Muhayawi, Samiha Mourad, and Rawan Alahdal. “Comparison of Safety and Efficacy of Al-Hijama (Cupping) and Conventional Medical Therapy for Sinusitis (I)”. Journal of King Abdulaziz University - Medical Sciences 25, no. 2 (December 31, 2018): 11-26. Accessed May 22, 2019. http://jkaumedsci.org.sa/index.php/jkaumedsci/article/view/702.