@article{465069,
      recid = {465069},
      author = {Davis, Mellar P.},
      title = {Opioids in cancer pain [electronic resource] /},
      publisher = {Oxford University Press,},
      address = {Oxford ;},
      pages = {xii, 487 p. :},
      year = {2009},
      url = {http://library.usi.edu/record/465069},
}