Description
Item Description:"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."
"March 1972."
Physical Description:1 online resource (iii, 68 pages) : illustrations.
Bibliography:Includes bibliographical references (page 9).