@inproceedings{Katzarova_and_Simpson_2006,
  title = "Delegation in a distributed healthcare context: a survey of current approaches",
  author = "M.~Katzarova and A.~C.~Simpson",
  year = "2006",
  booktitle = "Proceedings of the 9th Information Security Conference 2006",
  pages = "517--529",
  publisher = "Springer",
  series = "Lecture Notes in Computer Science",
  volume = "4176",
}