@article{409942,
      recid = {409942},
      author = {Davey, Sheila.},
      title = {State of the world's vaccines and immunization [electronic  resource] /},
      publisher = {World Health Organization,},
      address = {Geneva :},
      pages = {xv, 97 p.},
      year = {2002},
      url = {http://library.usi.edu/record/409942},
}