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- [1] CHANGING PATTERNS OF MALARIA IN UNITED-STATES JOURNAL OF INFECTIOUS DISEASES, 1974, 130 (05): : 553 - 555
- [6] CHANGING HOG PRODUCTION PATTERNS IN UNITED-STATES AND OHIO OHIO REPORT ON RESEARCH AND DEVELOPMENT, 1979, 64 (06): : 89 - 90
- [7] CHANGING PATTERNS OF UNITED-STATES AND WORLDWIDE AGRICULTURAL TRADE FOREIGN AGRICULTURE, 1971, 9 (42): : 2 - &