@inbook{8470aaa6fb374d698e1acce9ba9bdbab,
title = "How can we prevent cream skimming in a competitive health insurance market?: The great challenge for the 90's",
author = "{Van de Ven}, {W. P.} and {Van Vliet}, {R. C.}",
year = "1992",
doi = "10.1007/978-94-011-2392-1_2",
language = "English",
series = "Developments in health economics and public policy",
publisher = "Springer-Verlag",
pages = "23--46",
editor = "Peter Zweifel and H.E. FrechIII",
booktitle = "Health Economics Worldwide",
address = "Germany",
}