References
- Gumbrell , RC . 1985 . “ The control of sheep abortion caused by Campylobacter fetus fetus ” . In Immunology in Clinical Practice 311 – 9 . Palmerston North : Foundation for Continuing Education of the New Zealand Veterinary Association, .
- Marchant , RM . 1999 . Campylobacter: vaccine manufacturer's experience with non-vaccine strains . Proceedings of the Sheep and Beef Cattle Society of the New Zealand Veterinary Association , 29 : 53 – 4 .