共 20 条
[1]
BERGMANN H, 1978, ARCH EXP VET MED, V32, P407
[2]
BRAUN RK, 1973, AM J VET RES, V34, P1127
[3]
CASARO APE, 1971, AM J VET RES, V32, P1543
[4]
Gossler R, 1975, Berl Munch Tierarztl Wochenschr, V88, P241
[5]
HOLLING F, 1971, THESIS HANNOVER
[6]
KAHRS RF, 1970, J AM VET MED ASSOC, V156, P1443
[7]
KRETZSCHMAR C, 1980, MONATSH VETERINARMED, V35, P489
[8]
LACHMANNPAVENST.B, 1978, THESIS HANNOVER
[9]
LANDELIUS L, 1977, THESIS HANNOVER
[10]
Liess B, 1973, Dtsch Tierarztl Wochenschr, V80, P360