No abstract available
MeSH terms
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Bias
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Double-Blind Method
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History, 18th Century
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History, 19th Century
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History, 20th Century
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Placebos
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Random Allocation
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Randomized Controlled Trials as Topic / history
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Randomized Controlled Trials as Topic / methods*
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Randomized Controlled Trials as Topic / standards
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Research Design / standards*
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Single-Blind Method
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Terminology as Topic*