Stratta RJ, Taylor RJ, Ozaki CF, Bynon JS, Miller SA, Baker TL, Lykke C, Krobot ME, Langnas AN, Shaw BW. The analysis of benefit and risk of combined pancreatic and renal transplantation versus renal transplantation alone. Surg Gynecol Obstet. 1993 Aug; 177(2):163-71.