@book{1957,
	author = {Godlee, F Walker, A.},
	title = {Health & the environment /},
	publisher = {BMJ,},
	year = {1992.},
	address = {[S.l.] :},
	url = {http://www.amazon.com/exec/obidos/ASIN/0727903187/chopaconline-20}
}