@article{article330,
  title = {Increased gamma-glutamyl transferase level is associated with absence of coronary collateral vessels in patients with acute coronary syndrome:  an observational study},
  author = {Duran, M. and Günebakmaz, Ö. and Kadir  Uysal, O. and Çelik, A. and Yarlioglues, M. and Karakaya, E.},
  journal = {The Anatolian Journal of Cardiology},
  year = {2012},
  volume = {12},
  pages = {652-658},
  doi = {10.5152/akd.2012.217}
}