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Author/Creator
- New-York Asylum for Lying-in Women. Managers2
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (U.S.). Division of Epidemiology, Statistics, and Prevention Research1
- Global Health and Education Projects1
- National Advisory Child Health and Human Development Council (U.S.)1
- National Institute of Child Health and Human Development (U.S.). Division of Epidemiology, Statistics, and Prevention Research1
- Survey of Income and Program Participation (Program)1
- U.S. Census Bureau1
- United States. Maternal and Child Health Service1