@article{Power_et_al_2006,
  title = "Securing web services for deployment in health grids",
  author = "D. J. Power and E. A. Politou and M. A. Slaymaker and A. C. Simpson",
  year = "2006",
  journal = "Future Generation Computer Systems",
  number = "5",
  pages = "547--570",
  volume = "22",
}