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Q35016839-1948CDD2-44FC-4955-BCCB-CBBC7D05EF58
Q35016839-1948CDD2-44FC-4955-BCCB-CBBC7D05EF58
BestRank
Statement
http://www.wikidata.org/entity/statement/Q35016839-1948CDD2-44FC-4955-BCCB-CBBC7D05EF58
Questioning the methodologic superiority of 'placebo' over 'active' controlled trials.
P2860
Q35016839-1948CDD2-44FC-4955-BCCB-CBBC7D05EF58
BestRank
Statement
http://www.wikidata.org/entity/statement/Q35016839-1948CDD2-44FC-4955-BCCB-CBBC7D05EF58
rank
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wasDerivedFrom
b661c34812adba059aea1f217188bbb17016cd72
P2860
Is placebo analgesia mediated by endogenous opioids? A systematic review.