Creating novel activated factor XI inhibitors through fragment based lead generation and structure aided drug design. oleh Ola Fjellström, Sibel Akkaya, Hans-Georg Beisel, Per-Olof Eriksson, Karl Erixon, David Gustafsson, Ulrik Jurva, Daiwu Kang, David Karis, Wolfgang Knecht, Viveca Nerme, Ingemar Nilsson, Thomas Olsson, Alma Redzic, Robert Roth, Jenny Sandmark, Anna Tigerström, Linda Öster