1. Abomasal ulcer in adult cattle with fatal hemorrhage;Aukema;Cornell Vet.,1974
2. Clinical Epidemiology — the Essentials;Fletcher,1982
3. Erosions et ulcera abomasi bovis;Hemmingsen;Nord. Vet. Med.,1966
4. Bleeding abomasal ulcers in adult dairy cattle;Palmer;J. Am. Vet. Med. Assoc.,1983
5. Perforating abomasal ulcers in adult dairy cattle;Palmer;J. Am. Vet. Med. Assoc.,1984