1. Šantić Ž, Pravdić N, Bevanda M, Galić K (2017) The historical use of medicinal plants in traditional and scientific medicine. Psychiatr Danub 29:787–792
2. AbdullahiAA (2011) Trends and challenges of traditional medicine in Africa. Afr JTradit Complement Altern Med 8:115–123
3. Shakya AK (2016) Medicinal plants: future source of new drugs. Int J Herb Med 4:59–64
4. World Health Organization. Available online https://www.who.int/data/gho/data/themes/topics/topic-details/GHO/worldhealth-statistics. Accessed 17 Sep 2018
5. Amzat J, Abdullahi AA (2008) Roles of traditional healers in the fight against HIV/AIDS. Stud Ethno Med 2:153–159