?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Abook&rft.au=Finnegan%2C+Anita&rft.aulast=Finnegan&rft.aufirst=Anita&rft.date=November+2014&rft.title=A+Security+Argument+Pattern+for+Medical+Device+Assurance+Cases&rft.genre=proceeding