Immediate Results and Six-Month Clinical Outcome after Percutaneous Coronary Intervention in Patients with Prior Coronary Artery Bypass Surgery - Behboudi, Fatemeh; Vakili, Hossein; Hashemi, Seyed Reza; Hekmat, Manouchehr; Safi, Morteza; Namazi, Mohammad Hasan (The Research in Heart Yield and Translational Medicine (RHYTHM))