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Osteological and Soft-Tissue Evidence for Pneumatization in the Cervical Column of the Ostrich (Struthio camelus) and Observations on the Vertebral Columns of Non-Volant, Semi-Volant and Semi-Aquatic Birds
- Naomi E. Apostolaki,
- Emily J. Rayfield,
- Paul M. Barrett
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- Published: December 9, 2015
- https://doi.org/10.1371/journal.pone.0143834