@book{156784,
	author = {Taffel, Selma. and National Center for Health Statistics U.S.},
	title = {Cesarean delivery in the United States, 1990},
	publisher = {U.S. Dept. of Health and Human Services, Public Health Service, Centers for Disease Control and Prevention, National Center for Health Statistics},
	year = {[1994]},
	series = {Vital and health statistics.},
	address = {Hyattsville, Md.},
	note = {"An analysis of the demographic and maternal and infant health characteristics associated with cesarean delivery from information derived from live birth certificates."}
}