@book{35686,
	author = {Therneau, Terry M. and Grambsch, Patricia M.,},
	title = {Modeling survival data :},
	publisher = {Springer,},
	year = {c2000.},
	series = {Statistics for biology and health.},
	address = {New York :},
	url = {http://www.loc.gov/catdir/enhancements/fy0812/00030758-d.html}
}