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- [5] THE CONTINUING UNETHICAL USE OF PLACEBO CONTROLS NEW ENGLAND JOURNAL OF MEDICINE, 1994, 331 (06): : 394 - 398
- [7] Placebo controlled trials of ondansetron for postoperative nausea and vomiting BRITISH MEDICAL JOURNAL, 1996, 312 (7024): : 183 - 183
- [8] Use of hypericum as antidepressant - Use of placebo in depression trial was unethical BRITISH MEDICAL JOURNAL, 2000, 320 (7242): : 1142 - 1142