Hoenig, J.M. & Walsh, A.H. (1983)
Skeletal lesions and deformities in large sharks. Journal of Wildlife Diseases, 19(1), 27–33

Hoenig, J.M. & Walsh, A.H. (1982)
The occurrence of cartilage canals in shark vertebrae. Canadian Journal of Zoology, 60(3), 483–485
DOI: 10.1139/z82-069