@book{2356,
	author = {Gerstman, B. Burt.},
	title = {Epidemiology kept simple :},
	publisher = {Wiley,},
	year = {2013},
	address = {New York :},
	edition = {3rd ed.},
	url = {http://www.loc.gov/catdir/description/wiley031/97042365.html}
}