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- [33] GOOD SCHOOLS - WHAT RESEARCH SAYS ABOUT IMPROVING STUDENT-ACHIEVEMENT PEABODY JOURNAL OF EDUCATION, 1984, 61 (04): : 1 - 178
- [35] The decline in US cancer mortality from 1991 to 1995: What's behind the numbers? INTERNATIONAL JOURNAL OF HEALTH SERVICES, 1998, 28 (04): : 747 - 755