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- [46] Social support for families of children with mental retardation: Comparison between Korea and the United States MENTAL RETARDATION, 2002, 40 (02): : 103 - 118
- [47] Utilization of preventive medical services in the United States: A comparison between rural and urban populations JOURNAL OF RURAL HEALTH, 2000, 16 (04): : 349 - 356