Infant mortality rates : socioeconomic factors, United States
Vital and health statistics. Series 22, Data from the national vital statistics system ;
DHEW publication ;
MacMahon, Brian, 1923-2007, author.
Kovar, Mary Grace, author.
Feldman, Jacob J., author.
National Center for Health Statistics (U.S.), issuing body.
National Infant Mortality Survey (U.S.)
Brian MacMahon, Mary Grace Kovar, and Jacob J. Feldman.