共 26 条
[1]
BLACK RE, 1981, LANCET, V1, P141
[3]
DROZDOV SG, 1979, VOPROSY VIRUSOLOGII, V4, P389
[7]
Holmes I H, 1979, Prog Med Virol, V25, P1
[8]
KAJI T, 1978, NATL I ANIM HEALTH Q, V18, P43