TY - DATA T1 - NICHD Study of Early Child Care and Youth Development: Phase I, 1991-1994 [United States] AU - United States Department of Health and Human Services. National Institutes of Health. Eunice Kennedy Shriver National Institute of Child Health and Human Development PY - 2018 DO - 10.3886/ICPSR21940.v6 PB - Inter-university Consortium for Political and Social Research [distributor] ER -