Reuthebuch, O., Koechlin, L., Gahl, B., Matt, P., Schurr, U., Grapow, M. and Eckstein, F. (2014) “Off-pump compared to minimal extracorporeal circulation surgery in coronary artery bypass grafting”, Swiss Medical Weekly, 144(2324), p. w13978. doi: 10.4414/smw.2014.13978.