The ages at which the centers of ossification appear roentgenographically in the limb bones of the dog.

@article{Hare1961TheAA,
  title={The ages at which the centers of ossification appear roentgenographically in the limb bones of the dog.},
  author={William C. Hare},
  journal={American journal of veterinary research},
  year={1961},
  volume={22},
  pages={825-35}
}