The role of key opinion leaders (KOLs) in marketing drugs and devices has been frequently discussed on this blog (see posts by Dr Bernard Carroll here and here ), and on other blogs, such as the Carlat Psychiatry Blog and the Clinical Psychology and Psychiatry Blog .
The British Medical Journal just published an article providing further documentation about how such KOLs function.
[Moynihan R. Key opinion leaders: independent experts or drug...
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