Psoriatic arthritis--"DIP or not DIP? That is the question".

@article{Veale1992PsoriaticAO,
  title={Psoriatic arthritis--"DIP or not DIP? That is the question".},
  author={Douglas Veale and Oliver FitzGerald},
  journal={British journal of rheumatology},
  year={1992},
  volume={31 6},
  pages={430-1}
}