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- [12] REGIONAL DIVERSITY IN UNITED-STATES DRINKING PRACTICES BRITISH JOURNAL OF ADDICTION, 1988, 83 (05): : 519 - 532
- [15] COTTON PRODUCTION PRACTICES AND COSTS IN THE UNITED-STATES GEORGIA AGRICULTURAL EXPERIMENT STATION RESEARCH REPORT, 1980, (365): : 1 - 20
- [19] LECTURE PRACTICES IN UNITED-STATES ANESTHESIOLOGY RESIDENCIES ANESTHESIA AND ANALGESIA, 1992, 74 (01): : 112 - 115