@article{861209,
      author = {Ratliff, John, and Albert, Todd J., and Cheng, Joseph, and  Knightly, Jack,},
      url = {http://library.usi.edu/record/861209},
      title = {Quality spine care : healthcare systems, quality  reporting, and risk adjustment /},
      recid = {861209},
      pages = {1 online resource.},
}