Lanthier C, Dupuis J, Paré J
Société zoologique de Granby, Québec, Canada.
J Zoo Wildl Med. 1998 Mar;29(1):65-7.
A polar bear (Ursus maritimus) cub, delivered by a cesarean section, was diagnosed with congenital agenesis of the radius on the basis of clinical presentation and radiology. A specific etiology could not be ascertained. Agenesis of the radius has not been previously reported in any nondomestic species.