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  31 Mar 2009
  00:20 GMT
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  More evidence? Yes, please Posted by plosmedicine on 31 Mar 2009 at 00:20 GMT
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  31 Mar 2009
  00:20 GMT
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  Evidence, please. Posted by plosmedicine on 31 Mar 2009 at 00:20 GMT
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  31 Mar 2009
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  Health Professionals need new skills to critically appraise marketing programmes Posted by plosmedicine on 31 Mar 2009 at 00:20 GMT