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Evidence for Avian Intrathoracic Air Sacs in a New Predatory Dinosaur from Argentina
- Paul C. Sereno,
- Ricardo N. Martinez,
- Jeffrey A. Wilson,
- David J. Varricchio,
- Oscar A. Alcober,
- Hans C. E. Larsson
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- Published: September 30, 2008
- https://doi.org/10.1371/journal.pone.0003303