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QUANTIFYING THE HAWTHORNE EFFECT: THE DIFFERENCE IN MORTALITY RATE OBSERVED IN THE CONTROL ARM OF CARDIOVASCULAR TRIALS CANNOT BE EXPLAINED BY PHARMACOLOGIC INTERVENTIONS
Kamran Shamsa, David J. Bryg, Paul Sobotka, Robert J. BrygVolume:
57
Year:
2011
Language:
english
DOI:
10.1016/s0735-1097(11)60293-3
File:
PDF, 239 KB
english, 2011