@book{639,
	author = {Grady, Kathleen E. and Wallston, Barbara Strudler.},
	title = {Research in health care settings /},
	publisher = {Sage Publications,},
	year = {c1988.},
	address = {Newbury Park, Calif. :},
	note = {Includes indexes.},
	url = {http://www.loc.gov/catdir/enhancements/fy0654/88003154-d.html}
}