“A case of repetitive intraoperative use of recombinant hirudin (Lepirudin) for peripheral vascular surgery heparin induced thrombocytopenia and thrombosis (HITT) - evidence for a decrease in platelet consumption in the absence of active thrombosis” (2001) Swiss Medical Weekly, 131(4748), pp. 693–694. doi:10.4414/smw.2001.09846.