Pancreatic Islets Quality and Potency Cannot be Verified as Required for Drugs: Reflection on the FDA Review of a Biological License Application for Human Islets. Issue 12 (1st July 2021) - Witkowski, Piotr; Anteby, Roi; Olaitan, Oyedolamu K.; Forbes, Racheal C.; Niederhaus, Silke; Ricordi, Camilo; Fair, Jeffrey H.; Harland, Robert C.