New daily persistent headache: a syndrome, not a discrete disorder.

@article{Goadsby2011NewDP,
  title={New daily persistent headache: a syndrome, not a discrete disorder.},
  author={Peter J Goadsby},
  journal={Headache},
  year={2011},
  volume={51 4},
  pages={650-3}
}
The term New Daily Persistent Headache (NDPH) has been used for nearly 25 years and yet the entity remains enigmatic. It can be argued the simplest, indeed most appropriate, approach is to use the term to mean simply what it says- i.e. as an umbrella description, rather like chronic daily headache. NDPH should be used as a diagnostic umbrella inviting… CONTINUE READING