Infant mortality rates: Socioeconomic factors.United States.Statistics on infant mortality rates according to race,sex,family income,education of mother,and education of father
Card's contents:191,755 INFANT Infant mortality rates: Socioeconomic factors.United States.Statistics on infant mortality rates according to race,sex,family income,education of mother,and education of father.Based on data ... Rockville 1972 U.S.Department of Health, Education,and Welfare.Public Health Service 4° s. Ill, nlb.1, 68, ilustr. Vital and Health Statistics,Ser.22 nr 14 Data from the National Vital Statistics System.