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- [38] Randomized controlled trials - The problem of clinical trials in veterinary science VETERINARY JOURNAL, 1997, 154 (01): : 1 - 3
- [40] Are Randomized Controlled Trials Relevant to Clinical Practice? CANADIAN JOURNAL OF PSYCHIATRY-REVUE CANADIENNE DE PSYCHIATRIE, 2009, 54 (09): : 637 - 639