Duncan, J. S., Singer, E. R., Devaney, J., Oultram, J. W. H., Walby, A. J., Lester, B. R., & Williams, H. J. (2012). The radiographic anatomy of the normal ovine digit, the metacarpophalangeal and metatarsophalangeal joints. Springer Netherlands.

Duncan, Jennifer S., Ellen R. Singer, Jane Devaney, Joanne W. H. Oultram, Anna J. Walby, Bridie R. Lester, a Helen J. Williams. The Radiographic Anatomy of the Normal Ovine Digit, the Metacarpophalangeal and Metatarsophalangeal Joints. Springer Netherlands, 2012.

Duncan, Jennifer S., et al. The Radiographic Anatomy of the Normal Ovine Digit, the Metacarpophalangeal and Metatarsophalangeal Joints. Springer Netherlands, 2012.