@book{35704,
	author = {Hosmer, David W. and Lemeshow, Stanley.},
	title = {Applied survival analysis :},
	publisher = {Wiley-Interscience ,},
	year = {c2008 .},
	series = {Wiley series in probability and statistics},
	address = {Hoboken, N.J. :},
	edition = {2nd ed.}
}