Improved Quantity and In Vivo Function of Islets Isolated by Reduced Pressure-Controlled Injection of Collagenase in a Rat Model oleh Shiri Li, Tetsuya Sakai, Yasuyuki Suzuki, Tadahiro Goto, Tomohiro Tanaka, Takuro Yoshikawa, Keitaro Kakinoki, Yasuki Tanioka, Ippei Matsumoto, Yasuhiro Fujino, Yoshikazu Kuroda