..............page:61-62,64
..............page:31-32,36
..............page:48-49,57
ANTIGENIC VARIATION IN PARASITES
SHEN Jie 1; LIU Yi ping 2; LI Dong feng 3 (1. Shanghai Institute of Domestic Animal Parasitology; CAAS; 200232; China; 2. Anhui Control Station of Animal Schistosomiasis; Hefei 230022; China; 3. Anhui Jingwei Company of Agricuture and Animal Hu
..............page:44-47