1. Smith, R.D., Chanda, R., Tangcharoensathien, V.: Trade in health-related services. Lancet 373(9663), 593–601 (2009). doi: 10.1016/S0140-6736(08)61778-X
2. Erfurt-Cooper, P., Cooper, M.: Health and wellness tourism: spas and hot springs. In: Aspects of Tourism; vol. 40, pp. 5–8. Channel View Publications, Bristol (2009)
3. Widiatmoko, D., AGani, A.: International relations within indonesia’s hospital sector. In: Vieira, C. (ed.) Trade in Health Services: Global, Regional, and Country Perspectives, pp. 107–117. PAHO, Washington, DC (2002)
4. León, F.: The case of the chilean health system, 1983–2000. In: Vieira, C. (ed.) Trade in Health Services: Global, Regional, and Country Perspectives, pp. 155–183. PAHO, Washington, DC (2002)
5. Achouri, H., Achour, N.: Health services in tunisia in the light of World Trade Organization agreements. In: Vieira, C. (ed.) Trade in Health Services: Global, Regional, and Country Perspectives, pp. 207–220. PAHO, Washington DC (2002)