共 8 条
[1]
FRIIS NF, 1975, NORD VET MED, V27, P337
[3]
GOODWIN R F W, 1972, Research in Veterinary Science, V13, P257
[5]
GOODWIN RFW, 1976, VET REC, V98, P260, DOI 10.1136/vr.98.13.260
[7]
GOODWIN RFW, 1984, VET REC, V115, P320, DOI 10.1136/vr.115.13.320
[8]
GOODWIN RFW, 1960, VET REC, V72, P1029