@book{8182,
	author = {Olsen, Jørn.},
	title = {Teaching epidemiology /},
	publisher = {Oxford University Press,},
	year = {2001.},
	address = {Oxford ;},
	edition = {2nd ed.},
	note = {Previous ed. has subtitle: what you should know and what you could do.},
	url = {http://www.loc.gov/catdir/enhancements/fy0611/2001278774-d.html}
}