TY - JOUR TI - Increased gamma-glutamyl transferase level is associated with absence of coronary collateral vessels in patients with acute coronary syndrome: an observational study AU - Duran, M. AU - Günebakmaz, Ö. AU - Kadir Uysal, O. AU - Çelik, A. AU - Yarlioglues, M. AU - Karakaya, E. JO - The Anatolian Journal of Cardiology PY - 2012 VL - 12 SP - 652 EP - 658 DO - 10.5152/akd.2012.217 ER -