Bioassays of Humoral Cardioprotective Factors Released by Remote Ischemic Conditioning in Patients Undergoing Coronary Artery Bypass Surgery oleh Helmut Raphael Lieder MD, Pia Tüller, Felix Braczko MSc, Afsaneh Zandi MD, Markus Kamler MD, Matthias Thielmann MD, Gerd Heusch MD, Petra Kleinbongard MD, PhD