@article{417716,
      recid = {417716},
      author = {Preker, Alexander S.,},
      title = {Public ends, private means: strategic purchasing of health  services /},
      publisher = {World Bank,},
      address = {Washington, D.C. :},
      pages = {xvii, 414 p. :},
      year = {2007},
      url = {http://library.usi.edu/record/417716},
}