1. The effectiveness of early intervention for infants at increased biologic risk;Bennett,1987
2. Promoting healthy development in young children: what educational interventions work?;Brooks-Gunn,1990
3. Early childhood programs;Clarke-Stewart,1983
4. Beyond metaphor: efficacy of early childhood education;Haskins;Am Psychol,1989
5. Can home visitation improve the health of women and children at environmental risk?;Olds;Pediatrics,1990