JAMA tightens rules affecting its authors

Editors of The Journal of the American Medical Association say they will increase the disclosure requirements demanded of research writers.

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<p><a href="http://www.physorg.com/news71942834.html">JAMA tightens rules affecting its authors</a></p> <p>Editors of The Journal of the American Medical Association say they will increase the disclosure requirements demanded of research writers. </p>