1. Benetti FJ (1985) Direct coronary surgery with saphenous vein bypass without cardiopulmonary bypass or cardiac arrest. J Cardiovasc Surg 26:217–222
2. Calafiore AM, Di Giammarco GD, Teodori G, Bosco G, D’Annunzio E, Barsotti A, Maddestra N, Paloscia L, Vitolla G, Sciarra A, Fino C, Contini M (1996) Left anterior descending coronary artery grafting via left anterior small thoracotomy without cardiopulmonary bypass. Ann Thorac Surg 61:1658–1663
3. Buffalo E, Summo H, Aguiar LF, Teles CA, Branco JNR (1997) Myocardial revascularization in patients 70 years of age and older without the use of extracorporeal circulation. Am J Geriatr Cardiol 6:6–9
4. Sezai Y, Tsukamoto S (1998) Coronary artery surgery results 1996. Ann Thorac Cardiovasc Surg 4:103–106
5. Sakata R, Fujii Y, Kuwano H, Committee for Scientific Affairs (2011) Thoracic and cardiovascular surgery in Japan during 2009. Annual report by the Japanese Association for Thoracic Surgery. Gen Thorac Cardiovasc Surg 59:636–667