@article{publication-7091,
	author={Winkelmann, Rainer},
	doi={10.1002/hec.1801},
	issn={1057-9230},
	journal={Health Economics},
	number=12,
	pages={1444-1455},
	publisher={Wiley-Blackwell},
	title={Copula bivariate probit models: with an application to medical expenditures},
	volume=21,
	year=2012,
}