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- [6] WHY ARE (OR ARE NOT) PATIENTS GIVEN THE OPTION TO ENTER CLINICAL-TRIALS CONTROLLED CLINICAL TRIALS, 1987, 8 (01): : 49 - 59
- [8] ASSESSING CLINICAL-TRIALS - WHY RANDOMIZE BRITISH MEDICAL JOURNAL, 1981, 282 (6280): : 1958 - 1960
- [9] WHY CLINICAL-TRIALS - THEIR USES AND LIMITATIONS CLINICAL PHYSICS AND PHYSIOLOGICAL MEASUREMENT, 1985, 6 (02): : 171 - 171