1. World Health Organization.WHO traditional medicine strategy: 2014–2023.2013.https://www.who.int/medicines/publications/traditional/trm_strategy14_23/en/. Accessed January 8 2019.
2. MandelIS.Understanding differences between holistic alternative and complementary medicine.2009.http://www.inquiriesjournal.com/a?xml:id=9. Accessed January 10 2019.
3. EICCAM.European Information Centre for Complementary and Alternative Medicine.2008.https://www.antroposofischegeneeskunde.be/wp-content/uploads/eiccam-brochure-nov-2008.pdf. Accessed January 18 2019.
4. Herbal medicines: Prevalence and predictors of use among Malaysian adults
5. Use of traditional and complementary medicine in Malaysia: a baseline study