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Q34103871-A2B81DDD-D0E3-4121-B6A3-67D49909CC37
Q34103871-A2B81DDD-D0E3-4121-B6A3-67D49909CC37
BestRank
Statement
http://www.wikidata.org/entity/statement/Q34103871-A2B81DDD-D0E3-4121-B6A3-67D49909CC37
Double blinding with a new placebo needle: a further validation study.
P2860
Q34103871-A2B81DDD-D0E3-4121-B6A3-67D49909CC37
BestRank
Statement
http://www.wikidata.org/entity/statement/Q34103871-A2B81DDD-D0E3-4121-B6A3-67D49909CC37
rank
NormalRank
type
BestRank
Statement
wasDerivedFrom
8192be931c5601b1d5e89e800ff73f7db751888f
P2860
Empirical evidence of bias. Dimensions of methodological quality associated with estimates of treatment effects in controlled trials