Bock, Walter Joseph, 1933-; Atkins, Edward G., 1939-
(New York, N.Y. : American Museum of Natural History, 1970)
"A pseudoarthrosis between the left radius and humerus resulting from a dislocation of the elbow is described in Choloepus didactylus. The shape of the radial articular surface had changed from a concave to a convex surface ...