1. Saad B, Azaizeh H, Said O (2008) Arab herbal medicine. In: Watson RR, Preedy VR (eds) Botanical medicine in clinical practice. CABI, Wallingford
2. Saad B, Azaizeh H, Said O (2005) Tradition and perspectives of Arab herbal medicine: a review. eCAM 2:475–479
3. Saad B, Said O (2011) Herbal medicine. In: Greco-Arab and Islamic herbal medicine: traditional system, ethics, safety, efficacy and regulatory issues. Wiley-Blackwell/Wiley, Hoboken, pp 47–71
4. Saad B (2014) Greco-Arab and Islamic herbal medicine, a review. Eur J Med Plants 4:249–258
5. Pan SY, Zhou SF, Gao SH, Yu Z-L, Zhang SF, Tang MK, Sun JN, Ma DL, Han YF, Fong WF, Ko K-M (2014) New perspectives on how to discover drugs from herbal medicines: CAM’s outstanding contribution to modern therapeutics. eCAM 2013:627375