Coronary artery bypass grafting using both internal mammary arteries-a safe concept for surgical training. - Knochenhauer T; Schneeberger Y; Beyer M; Sobik F; Hua X; Reiter B; Brickwedel J; Zipfel S; Reichenspurner H; Conradi L; Sill B; Schaefer A (Interdisciplinary cardiovascular and thoracic surgery, 2025)