共 49 条
[21]
HENRIKSEN SA, 1981, ACTA VET SCAND, V22, P594
[23]
HOUSE JA, 1978, J AM VET MED ASSOC, V173, P573
[25]
Ma P., 1986, Advances in Experimental Medicine and Biology, V202, P135
[26]
MCLAUCHLIN J, 1987, LANCET, V1, P51
[28]
MOON HW, 1986, J AM VET MED ASSOC, V189, P643