1. Papillomatous digital dermatitis and associated risk factors in US dairy herds;Wells;Prev Vet Med,1999
2. Read DH, Walker RL. Papillomatous digital dermatitis of dairy cattle in California, clinical characteristics. In: Greenough PR, editor. 8th International Symposium on Disorders of the Ruminant Digit and Conference on Bovine Lameness, University of Saskatchewan, Banff, Canada; 1994. p. 159–63.
3. Cheli R, Mortellaro CM. Digital dermatitis in cattle. In: Gallarati P, editor. 8th International Meeting on Diseases of Cattle, Milan 1974–75. Piacenza, Italy; 1974. p. 208–13.
4. Skin diseases of the bovine digit associated with lameness;Demirkan;Vet Bull,2000
5. Observations on the pathogenesis of digital dermatitis in cattle;Blowey;Vet Rec,1994