Atrial fibrillation after coronary artery bypass grafting: does the type of procedure influence the early postoperative incidence? - Siebert,J.; Anisimowicz,L.; Lango,R.; Rogowski,J.; Pawlaczyk,R.; Brzezinski,M.; Beta,S.; Narkiewicz,M. (Eur J Cardiothorac Surg, 2001)