共 50 条
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- [5] EVOLUTION OF THE CONTROLLED CLINICAL-TRIAL MOUNT SINAI JOURNAL OF MEDICINE, 1993, 60 (03): : 180 - 185
- [7] CONTROLLED CLINICAL-TRIAL OF ROBAXISAL CURRENT THERAPEUTIC RESEARCH-CLINICAL AND EXPERIMENTAL, 1978, 23 (02): : 166 - 172
- [9] DESIGN AND METHODOLOGICAL CONSIDERATIONS IN THE NATIONAL COOPERATIVE GALLSTONE STUDY - A MULTI-CENTER CLINICAL-TRIAL CONTROLLED CLINICAL TRIALS, 1981, 2 (03): : 177 - 229
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