@article{729523,
      author = {Sinatra, Raymond S. and Jahr, Jonathan S. and  Watkins-Pitchford, J. Michael.},
      url = {http://library.usi.edu/record/729523},
      title = {The essence of analgesia and analgesics [electronic  resource] /},
      publisher = {Cambridge University Press,},
      recid = {729523},
      pages = {1 online resource (xviii, 532 p.) :},
      address = {Cambridge ;},
      year = {2010},
}