@article{shiffman_rosenfeld_2013, 
  title={191WS Software Tools and Action Statement Profiles to Facilitate Guideline Development}, 
  volume={22}, 
  DOI={10.1136/bmjqs-2013-002293.28}, 
  number={Suppl 1}, 
  publisher={BMJ}, 
  author={Shiffman and Rosenfeld}, 
  year={2013}
  }