共 50 条
- [1] DESIGN OF CONTROLLED CLINICAL-TRIALS - USE OF HISTORICAL CONTROLS CANCER TREATMENT REPORTS, 1982, 66 (05): : 1089 - 1093
- [8] COMBINATION OF RANDOMIZED AND HISTORICAL CONTROLS IN CLINICAL-TRIALS JOURNAL OF CHRONIC DISEASES, 1976, 29 (03): : 175 - 188
- [9] RANDOMIZED VERSUS HISTORICAL CONTROLS FOR CLINICAL-TRIALS AMERICAN JOURNAL OF MEDICINE, 1982, 72 (02): : 233 - 240