Declaring financial competing interests: survey of five general medical journals.
Hussain
A
A
BMJ, London WC1H 9JR. hussainamina@hotmail.com
Smith
R
R
D035843:Biomedical Research; D016265:Conflict of Interest; D030881:Disclosure; D004345:Drug Industry; D035081:Editorial Policies; D011643:Publishing; D012109:Research Support as Topic