Cranial fetus in fetu. Case illustration.

@article{Heuer2008CranialFI,
  title={Cranial fetus in fetu. Case illustration.},
  author={Gregory G. Heuer and Erin Simon Schwartz and Phillip B. Storm},
  journal={Journal of neurosurgery. Pediatrics},
  year={2008},
  volume={1 2},
  pages={171}
}