1. Hellebrekers L. J.(2000)Animal Pain – A Practice‐Oriented Approach to an Effective Pain Control in Animals. Van der Wees Publishing
2. Regional anaesthesia techniques in cattle
3. Analgesic drug administration and attitudes about analgesia in cattle among bovine practitioners in the United States
4. Management of dystocia in cattle
5. Fubini S. L. Ducharme N. G.(2004)Farm Animal Surgery. Saunders