9Mainka S A, Qui X M, He T M, et al. Serologic survey of giant pandas (Ailuropoda melanoleuca) and domestic dogs and cats in the Wolong reserve, China [ J ]. Journal of Wildlife Diseases, 1994, 30( 1 ) : 86-89.
10Alexander K A, Kat P W, Munson L A, et al. Canine distemperrelated mortality among wild dogs (Lycaon pictus) in Chobe National Park, Botswana [ J ]. Journal of Zoo and Wildlife Medicine, 1996, 27 ( 3 ) : 426-427.