@book{31909,
	author = {Young, Ian D.},
	title = {Introduction to risk calculation in genetic counseling .},
	publisher = {Oxford University Press,},
	year = {2007.},
	address = {Oxford ;},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/toc/ecip066/2006001581.html}
}