Prepaid group practice effects on the utilization of medical services and health outcomes for children : results from a controlled trial /
R. Burciaga Valdez ...[and 6 others] ; prepared for the U.S. Department of Health and Human Services.
- 13 pages ; 28 cm. volume
- A Rand note : N-3116-HHS .
- Rand note : N-3116-HHS .
Includes bibliographical references.
Hadiah
Child health services--United States. Health insurance--United States.