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- [42] TRENDS IN NATIONWIDE AND FEDERAL HEALTH-CARE COSTS IN THE USA - 1986-1992 CLINICAL RESEARCH, 1994, 42 (02): : A226 - A226
- [44] CURRENT CHANGES IN SMOKING ATTITUDES AND BEHAVIORS AMONG ADOLESCENTS IN WALES, 1986-1992 JOURNAL OF PUBLIC HEALTH MEDICINE, 1994, 16 (02): : 165 - 171