@book{55087,
	author = {Merrill, Ray M.},
	title = {Environmental epidemiology :},
	publisher = {Jones and Bartlett Publishers,},
	year = {c2008.},
	address = {Sudbury, Mass. :},
	url = {http://www.loc.gov/catdir/toc/ecip0724/2007031436.html}
}