@article{368550,
      author = {Brownson, Ross C. and Petitti, Diana B.},
      url = {http://library.usi.edu/record/368550},
      title = {Applied epidemiology theory to practice / [electronic  resource] :},
      publisher = {Oxford University Press,},
      recid = {368550},
      pages = {xvi, 396 p. :},
      address = {New York :},
      year = {1998},
}