@book{30844,
	author = {Hartog, L.A.,},
	title = {Preventieve gezondheidszorg in de varkenshouderij /},
	publisher = {Brill | Wageningen Academic,},
	year = {1998.},
	series = {Biology - Book Archive pre-2000},
	address = {Leiden ;},
	url = {http://dx.doi.org/10.1163/9789004683952}
}