When you hear hoof beats: four principles for separating zebras from horses.

@article{Smith2000WhenYH,
  title={When you hear hoof beats: four principles for separating zebras from horses.},
  author={Curtis Scott Smith and Douglas S. Paauw},
  journal={The Journal of the American Board of Family Practice},
  year={2000},
  volume={13 6},
  pages={424-9}
}
BACKGROUND When a patient comes to the clinic with a new complaint, the often wide array of possible causes creates uncertainty about the optimal evaluation and treatment. Selecting an approach to evaluation involves values that range from ruling out all disease processes (all zebras) regardless of cost to limiting cost by looking only for those processes… CONTINUE READING