@article{Power_et_al_2005a,
  author = "D. J. Power and E. A. Politou and M. A. Slaymaker and A. C. Simpson",
  journal = "Software: Practice and Experience",
  number = "9",
  pages = "857--871",
  title = "Towards secure Grid-enabled healthcare",
  volume = "35",
  year = "2005",
}