@article{749485,
      author = {Liverman, Cathary T., and Domnitz, Sarah B., and McCoy,  Margaret A.,},
      url = {http://library.usi.edu/record/749485},
      title = {The use and effectiveness of powered air purifying  respirators in health care workshop summary / [electronic  resource] :},
      recid = {749485},
      pages = {1 online resource (80 pages) :},
}