@book{146138,
	author = {Barr, Judith T. and United States},
	title = {Critical literature review},
	publisher = {U.S. Dept. of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research},
	year = {[1993]},
	series = {AHCPR pub.},
	address = {Rockville, MD},
	note = {"December 1993."}
}