@article{premkumar_godfrey_gottschalk_boden_2018, 
  title={Red Flags for Low Back Pain Are Not Always Really Red}, 
  volume={100}, 
  DOI={10.2106/jbjs.17.00134}, 
  publisher={Ovid Technologies (Wolters Kluwer Health)}, 
  author={Premkumar and Godfrey and Gottschalk and Boden}, 
  year={2018}
  }