PROTECTIVE EFFECTS OF TOTAL POLYSACCHARIDES IN COMPOUND KUQININ CANINE PARVOVIRUS INFECTION AND ITS INFLUENCE ON THE EXPRESSION OF BAX AND BCL-2 GENE BASED ON PATHOLOGICAL, ULTRASTRUCTURAL, AND APOPTOTIC CHANGES - L. Yi-Chen; Z. Zhao-Rong; L. Juan; G. Zhi-Sheng (Journal of Animal and Plant Sciences, 2019)