1. Bovine uterine torsion: 164 hospital cases;Frazer;Theriogenology,1996
2. Increased reporting of displaced abomasum;Laven;Veterinary Record,2004
3. Bovine dystocia - a survey of 200 cases met with in general practice;Morten;Veterinary Record,1968
4. A study of 97 consecutive cases of bovine dystocia as they were encountered in the course of general practice;Tutt;British Veterinary Journal,1944