Adams, V. J.; Evans, K. M.; Sampson, J.; Wood, J. L. N. (1 October 2010). "Methods and mortality results of a health survey of purebred dogs in the UK". Journal of Small Animal Practice. 51 (10): 512–524. doi:10.1111/j.1748-5827.2010.00974.x. PMID21029096.
Adams, V. J.; Evans, K. M.; Sampson, J.; Wood, J. L. N. (1 October 2010). "Methods and mortality results of a health survey of purebred dogs in the UK". Journal of Small Animal Practice. 51 (10): 512–524. doi:10.1111/j.1748-5827.2010.00974.x. PMID21029096.