[Complete absence of the posterior arch of the atlas].

@article{FIORANIGALLOTTA1955CompleteAO,
  title={[Complete absence of the posterior arch of the atlas].},
  author={G FIORANI-GALLOTTA and G Luzzatti},
  journal={Archivio di ortopedia},
  year={1955},
  volume={68 5},
  pages={753-78}
}