@unpublished{publication-5327,
	author={Rischatsch, Maurus and Trottmann, Maria},
	institution={University of Zurich},
	number={No. 911},
	series={Working paper series / Socioeconomic Institute},
	title={Physician dispensing and the choice between generic and brand-name drugs - Do margins affect choice?},
	year=2009,
}