Patellectomy and a variation of Paatsama's operation on the anterior cruciate ligament of a dog.

@article{Gibbens1957PatellectomyAA,
  title={Patellectomy and a variation of Paatsama's operation on the anterior cruciate ligament of a dog.},
  author={Roy Powell Gibbens},
  journal={Journal of the American Veterinary Medical Association},
  year={1957},
  volume={131 12},
  pages={557-8}
}