@inbook{publication-1545,
	address={Washington},
	author={Zweifel, Peter},
	booktitle={Global marketplace for private health insurance: strength in numbers},
	doi={10.1596/978-0-8213-7507-5},
	editor={Preker, Alexander S and Zweifel, Peter and Schellekens, Onno P},
	isbn={978-0-8213-7507-5},
	month={NOV},
	pages={107-140},
	publisher={World Bank},
	title={From theory to practice},
	year=2009,
}