@article{article2738,
  title = {Retractions:  Guidance from the Committee on Publication Ethics (COPE)},
  author = {Wager, E. and Barbour, V. and J.  Yentis, S. and Kleinert, S.},
  journal = {The Anatolian Journal of Cardiology},
  year = {2009},
  volume = {9},
  pages = {447-449},
  doi = {}
}