1. Klijs J, Ormond M, Mainil T, Peerlings J, Heijman W. A state-level analysis of the economic impacts of medical tourism in Malaysia. Asian-Pac Econ Lit. 2016;30(1):3–29.
2. World Trade Organization. WTO | 2016 News items - Tourism sector highlighted as important contributor to trade and development [Internet]. World Trade Organization. [cited 2017 Aug 14]. Available from: https://www.wto.org/english/news_e/news16_e/bus_13jul16_e.htm
3. Smith RD, Chanda R, Tangcharoensathien V. Trade in health-related services. Lancet. 2009;373(9663):593–601.
4. Pocock NS, Phua KH. Medical tourism and policy implications for health systems: a conceptual framework from a comparative study of Thailand. Singapore and Malaysia Glob Health. 2011;7(12):1–12.
5. Runnels V, Turner L. Bioethics and transnational medical travel: India,“medical tourism,” and the globalisation of healthcare. Indian J Med Ethics. 2011;8(1):42–4.