@book{218866,
	author = {National Institutes of Health U.S.},
	title = {Environmental health perspectives.},
	publisher = {U.S. Dept. of Health and Human Services, Public Health Service, National Institute of Envirenmental Health Sciences},
	year = {1993},
	address = {Research Triangle Park, N.C.},
	note = {Title from cover.},
	url = {http://purl.gpo.gov/GPO/LPS82679}
}