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