共 16 条
[1]
BENGTSSON G, 1974, ACTA VET SCAND, V15, P135
[2]
BENGTSSON G, 1978, J ANIM SCI, V46
[3]
EKMAN L, 1974, COMMUNICATION
[4]
LINDBERG P., 1970, Acta Agriculturae Scandinavica, V20, P133
[5]
Lindberg P., 1968, Acta Veterinaria Scandinavica
[6]
LINDBERG PAUL, 1966, ACTA AGR SCAND, V16, P217
[7]
MICHEL RL, 1969, J AM VET MED ASSOC, V155, P50
[8]
OKSANEN HE, 1970, J SCI AGR SOC FINL, V42, P251
[9]
ORSTADIUS K, 1963, CORNELL VET, V53, P60
[10]
PIPER RC, 1975, AM J VET RES, V36, P273