1. The Dangerous Dogs Act;Anon.,1989
2. 2001 Census – Key Statistics for Local Authorities;Anon.,2003
3. British Kennel Club website. Available at http://www.thekennelclub.org.uk (accessed 24.03.11).
4. Nonfatal fall-related injuries associated with dogs and cats – United States, 2001–2006;CDC;MMWR,2009
5. Dog ownership, health and physical activity – a critical review of the literature;Cutt;Health Place,2007