van Amstel, S. R., Shearer, J. K. and Palin, F. L. (2003) “Case report: Clinical response to treatment of pododermatitis circumscripta (ulceration of the sole) in dairy cows”, The Bovine Practitioner, 37(2), pp. 143–150. doi: 10.21423/bovine-vol37no2p143-150.