AVSI - Dube,C.; Mehren,K.G.; Barker,I.K.; Peart,B.L.; Balachandran,A.V. - Retrospective investigation of chronic wasting disease of cervids at the Toronto Zoo, 1973-2003 - Canadian Veterinary Journal - La Revue Vétérinaire Canadienne 2006 Dec; 47(12): 1185-93
AQYO - Kahn,S.; Dube,C.; Bates,L.; Balachandran,A.V. - Chronic wasting disease in Canada: Part 1. - Canadian Veterinary Journal - La Revue Vétérinaire Canadienne 2004 May; 45(5): 397-404