@book{163953,
	author = {Freid, Virginia M. and Makuc, Diane M. and National Center for Health Statistics U.S.},
	title = {Ambulatory health care units by children},
	publisher = {Centers for Disease Control and Prevention, National Center for Health Statistics},
	year = {[1998]},
	series = {Vital and health statistics.},
	address = {Hyattsville, Md.},
	note = {By Virginia M. Freid, Diane M. Makuc, Ronica N. Rooks.}
}