Noonan BM, Parrish D. Expressions of concern and their uses. Learned Publishing 2008;21:209-13.
doi: 10.1087/095315108X 288857
How should editors communicate with their readers after an allegation of research misconduct has been made about a published article? Some use an “expression of concern” to inform readers of a potential problem. This is a tool for ensuring the integrity of the research record during what may be a long misconduct investigation; policies regarding its use are needed.