@book{285736,
	author = {MacMahon, Brian, and Kovar, Mary Grace, and National Center for Health Statistics (U.S.),},
	title = {Infant mortality rates :},
	publisher = {U.S. Department of Health, Education, and Welfare, Public Health Service, Health Services and Mental Health Administration, National Center for Health Statistics,},
	year = {1972.},
	series = {Vital and health statistics. Series 22, Data from the national vital statistics system ;},
	address = {Rockville, Md. :},
	note = {"Statistics on infant mortality rates according to race, sex, family income, education of mother, and education of father. Based on data collected by a questionnaire mailed to mothers of legitimate births and to medical care facilities and mothers of legitimate infant deaths. Samples selected from records of births and infant deaths in 1964, 1965, and 1966 which were filed with the National Center for Health Statistics."},
	url = {https://purl.fdlp.gov/GPO/gpo114528}
}