Izzat, MB; Mehta, D; Bryan, AJ; Reeves, B; Newby, AC; Angelini, GD (1 October 1996). "Influence of external stent size on early medial and neointimal thickening in a pig model of saphenous vein bypass grafting". Circulation. 94 (7): 1741–5. doi:10.1161/01.CIR.94.7.1741. PMID8840869.
Zurbrügg, HR; Knollmann, F; Musci, M; Wied, M; Bauer, M; Chavez, T; Krukenberg, A; Hetzer, R (November 2000). "The biocompound method in coronary artery bypass operations: surgical technique and 3-year patency". The Annals of Thoracic Surgery. 70 (5): 1536–40. doi:10.1016/S0003-4975(00)01997-4. PMID11093483.
Izzat, MB; Mehta, D; Bryan, AJ; Reeves, B; Newby, AC; Angelini, GD (1 October 1996). "Influence of external stent size on early medial and neointimal thickening in a pig model of saphenous vein bypass grafting". Circulation. 94 (7): 1741–5. doi:10.1161/01.CIR.94.7.1741. PMID8840869.
Zurbrügg, HR; Hetzer, R (December 1996). "The use of biocompound-grafts together with varicose veins. First clinical experience". The Journal of Cardiovascular Surgery. 37 (6 Suppl 1): 143–6. PMID10064367.
Zurbrügg, HR; Knollmann, F; Musci, M; Wied, M; Bauer, M; Chavez, T; Krukenberg, A; Hetzer, R (November 2000). "The biocompound method in coronary artery bypass operations: surgical technique and 3-year patency". The Annals of Thoracic Surgery. 70 (5): 1536–40. doi:10.1016/S0003-4975(00)01997-4. PMID11093483.