Adenosine Preconditioning versus Ischemic Preconditioning in Patients undergoing Off-Pump Coronary Artery Bypass (OPCAB) - Forouzannia, Seyed Khalil; Abdollahi, Mohammad Hassan; Mirhosseini, Seyed Jalil; Hadadzadeh, Mehdi; Zarepur, Rouholla; Zarepur, Ehsan; Beiki, Omid; Sarebanhassanabadi, Mohammadtaghi (The Research in Heart Yield and Translational Medicine (RHYTHM), 2015)