Niederhaus SV, Carrico RJ, Prentice MA, Fox AC, Mujtaba MA, Dunn TB, Olaitan OK, Fisher JS, Stratta RJ, Farney AC, Odorico JS, Fridell JA. C-peptide levels do not correlate with pancreas allograft failure: Multicenter retrospective analysis and discussion of the new OPT definition of pancreas allograft failure. Am J Transplant. 2019 04; 19(4):1178-1186.