1. Australian Bureau of Statistics, 2010. Australia's Environment: Issues and Trends, Jan. 2010 (retrieved 30.08.11, from http://www.abs.gov.au/AUSSTATS/abs@.nsf/Latestproducts/52DDB96A9F8B5A60CA2576C000193390?opendocument).
2. The influence of parvovirus infection and other factors on the survival of dogs with haemorrhagic diarrhoea;Brinke;Kleintierpraxis,2010
3. Possible immunodeficiency in related rottweiler dogs;Day;J. Small Anim. Pract.,1999
4. Immune system development in the dog and cat;Day;J. Comp. Pathol.,2007
5. WSAVA Guidelines for the vaccination of dogs and cats;Day;J. Small Anim. Pract.,2010