Visits for medical and dental care during the year preceding childbirth United States - 1963 births /
|Main Author:||Kovar, Mary Grace,|
|Other Authors:||National Center for Health Statistics (U.S.),|
Washington, D.C. :
U.S. Department of Health, Education and Welfare, Public Health Service,
1 online resource (iv, 60 pages) : forms.
Public Health Service publication ;
Vital and health statistics. Data from the national vital statistics system ; no. 4.