http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
study of infant mortality from linked records by age of mother, total-birth order, and other variables
Age of mother, total-birth order, and other variables
National Center for Health Statistics (U.S.)
1 online resource (iii, 1 unnumbered page, 52 pages) : illustrations.
Includes bibliographical references (page 17).
Study of infant mortality from linked records by age of mother, total-birth order, and other variables, United States, 1960 live-birth cohort
Rockville, Md. : U.S. Dept. of Health, Education, and Welfare, Public Health Service, Health Resources Administration, National Center for Health Statistics, 1973
Data from the national vital statistics system