共 24 条
[3]
BABUDIERI B, 1961, B WORLD HEALTH ORGAN, V24, P45
[4]
BEY RF, 1978, AM J VET RES, V39, P831
[5]
BEY RF, 1978, AM J VET RES, V39, P1109
[6]
CRAWFORD RP, 1972, AM J VET RES, V33, P1507
[9]
GRAVES S, 1970, Bulletin of the World Health Organization, V43, P579
[10]
HARTMAN EG, 1984, VET IMMUNOL IMMUNOPA