共 62 条
[31]
LANG G, 1968, CANADIAN VET J, V9, P22
[33]
LANG G, 1968, CANADIAN VET J, V9, P151
[35]
LVOV DK, 1978, PROBLEMS VIROLOGY
[36]
PEREIRA HG, 1966, B WORLD HEALTH ORGAN, V35, P799
[37]
PEREIRA HG, 1967, B WORLD HEALTH ORGAN, V37, P553
[38]
PEREIRA HG, 1965, B WORLD HEALTH ORGAN, V32, P855
[39]
ROUSE BT, 1971, CAN J COMPARAT MED, V35, P44