@book{375,
	author = {Olsen, Jørn.},
	title = {Searching for causes of work related diseases :},
	publisher = {Oxford University Press,},
	year = {1991.},
	address = {Oxford [England] ;},
	url = {http://www.loc.gov/catdir/enhancements/fy0640/90025665-d.html}
}