@book{91985,
	author = {Howe, Cynthia J. and Institute of Medicine (U.S.).},
	title = {Options for poliomyelitis vaccination in the United States},
	publisher = {National Academy Press,},
	year = {1996.},
	address = {Washington, D.C. (2101 Constitution Ave., N.W., Washington 20418) :},
	url = {http://site.ebrary.com/lib/strathmore/Doc?id=10071745}
}