@book{37698,
	author = {Willett, Walter.},
	title = {Nutritional epidemiology},
	publisher = {Oxford University Press,},
	year = {2013.},
	series = {Monographs in epidemiology and biostatistics ;},
	address = {Oxford :},
	edition = {3rd ed.},
	url = {http://dx.doi.org/10.1093/acprof:oso/9780199754038.001.0001}
}