@article{888476,
      author = {Checkoway, Harvey. and Crawford-Brown, Douglas J. and  Pearce, Neil.},
      url = {http://library.usi.edu/record/888476},
      title = {Research methods in occupational epidemiology [electronic  resource] /},
      publisher = {Oxford University Press,},
      recid = {888476},
      pages = {xviii, 344 p. :},
      address = {New York :},
      year = {1989},
}