The importance of tryptic-like activity in purified enzyme blends for efficient islet isolation. - Brandhorst, H; Friberg, A; Andersson, H; Felldin, M; Foss, A; Salmela, K; Lundgren, T; Tibell, A; Tufveson, G; Korsgren, O; Brandhorst, D (Transplantation, 2009)