@book{20793,
	author = {Woodward, M.},
	title = {Epidemiology :},
	series = {Chapman & Hall/CRC texts in statistical science series},
	edition = {Third edition.},
	note = {"A Chapman & Hall book."},
	url = {http://images.tandf.co.uk/common/jackets/websmall/978143983/9781439839706.jpg}
}