The preference effect in an unblinded health promotion...

Journal of Epidemiology & Community Health 2009 / 10 Vol. 63; Iss. Suppl 2

The preference effect in an unblinded health promotion intervention trial: how important is it?

Hayes, C., Collins, C., Geary, M., Kelleher, C. C.
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Volume:
63
Language:
english
Journal:
Journal of Epidemiology & Community Health
DOI:
10.1136/jech.2009.096719p
Date:
October, 2009
File:
PDF, 126 KB
english, 2009
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