RT Journal Article SR Electronic T1 Do drug firms hoodwink medical journals? Or is something wrong with the contribution and integrity of declared authors? JF Journal of Medical Ethics JO J Med Ethics FD BMJ Publishing Group Ltd and Institute of Medical Ethics SP 307 OP 307 DO 10.1136/jme.2004.008433 VO 31 IS 5 A1 E J Wagena A1 P Knipschild YR 2005 UL http://jme.bmj.com/content/31/5/307.abstract AB