@article{864517,
      author = {Stoto, Michael A., and Higdon, Melissa A., and Aragón,  Tomás,},
      url = {http://library.usi.edu/record/864517},
      title = {The public health response to 2009 H1N1 : a systems  perspective /},
      recid = {864517},
      pages = {1 online resource (273 pages) :},
}