Double blind trial

 A double blind trial is a trial where neither the researchers nor the patients know what they are getting. The computer gives each patient a ___ ___ __________ ____ _________ _____ ________ __________ ____.
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____ _____ _______ ________ __________.
_________ ________ _______ _____ ___ _________ __________ ___ ______ _________ ______ _______.
__________ _____ ________ _______ ______.
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_______ ___ ____ ___ ____ ________ _______ ___.
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