共 10 条
[2]
CALNEK BW, 1969, J NATL CANCER I, V43, P935
[4]
CHUBB RC, 1968, VET REC, V83, P4
[5]
CHURCHILL AE, 1968, JNCI-J NATL CANCER I, V41, P939
[9]
SEVOIAN MARTIN, 1962, VET MED, V57, P500
[10]
WITTER RL, 1970, AM J VET RES, V31, P525