@book{4223,
	author = {Shopland, D. R.},
	title = {Respiratory health effects of passive smoking : lung cancer and other disorders : the report of the U.S. Environmental Protection Agency.},
	publisher = {National Cancer Institute,},
	year = {1993.},
	series = {(NCI smoking and tobacco control monograph ; 4).},
	address = {[Bethesda, MD] : }
}