What's your diagnosis? Niemann-Pick disease (NPD).

@article{Roy2001WhatsYD,
  title={What's your diagnosis? Niemann-Pick disease (NPD).},
  author={Devabrata Roy and S Al-Oquiel},
  journal={Annals of Saudi medicine},
  year={2001},
  volume={21 1-2},
  pages={127-9}
}