共 21 条
[1]
BROUWER E., 1952, BRIT VET JOUR, V108, P123
[2]
CARE A. D., 1960, Research in Veterinary Science, V1, P338
[4]
DRYERRE H., 1932, Veterinary Record, V12, P1163
[6]
FIELD AC, 1960, BRIT VETERINARY ASSO, P13
[7]
FONTENOT JP, 1973, FED PROC, V32, P1925
[9]
KEMP A., 1959, Tijdschrift voor Diergeneeskunde, V84, P469