Osteosarcoma in the maxilla of a brown bear (Ursus arctos).

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@article{Momotani1988OsteosarcomaIT, title={Osteosarcoma in the maxilla of a brown bear (Ursus arctos).}, author={E Momotani and Hiroshi Aoki and Yukio Ishikawa and Tadashi Yoshino}, journal={Veterinary pathology}, year={1988}, volume={25 6}, pages={527-9} }