Retractions: Guidance from the Committee on Publication Ethics (COPE)
Maturitas (2009) - Comments
pubmed: 19954902  doi: 10.1016/j.maturitas.2009.09.018  issn: 1873-4111  issn: 0378-5122 

Elizabeth Wager, Virginia Barbour, Steven Yentis, Sabine Kleinert,