1. Arunkumar S, Muthuselvam M. Analysis of Phytochemical Constituents and Antimicrobial Activities of Aloe vera L. against Clinical Pathogens. World J Agri Sci. 2009;5:572–6.
2. Koshy P, Wirakarnain S, Sim KS, Saravana K, Hong SL, Lee GS, Syarifah N, and Rahman SA. Antimicrobial Activity of Some Medicinal Plants from Malaysia. American J Appl Sci. 2009;6:1613–7.
3. Edwards S. The ecology and conservation status of medicinal plants of Ethiopia. What do we know? In: Medhin Z, Abebe D, editors. Conservation and Sustainable use of medicinal plants in Ethiopia, Proceeding of National Workshop on Biodiversity Conservation and Sustainable use of medicinal plants in Ethiopia. Addis Ababa: Institute of Biodiversity Conservation and Research; 2001.
4. Bekele E. Study on Actual Situation of Medicinal Plants in Ethiopia. Addis Ababa: Prepared for Japan Association for International Collaboration of Agriculture and Forestry; 2007.
5. Gidey Y. Assessment of indigenous knowledge of medicinal plants in Central Zone of Tigray, Northern Ethiopia. African J Plant Sci. 2009;4:006–11.