The development of new density gradient media for purifying human islets and islet quality assessments - Huang, GC; Zhao, M; Jones, P; Persaud, S; Ramracheya, R; Löbner, K; Christie, M R; Banga, J P; Peakman, M; Sirinivsan, P; Rela, M; Heaton, N; Amiel, S (Transplantation, 2004)