共 18 条
[1]
BLAKE GE, 1952, J AM VET MED ASSOC, V120, P1
[2]
BRADSTREET C. M. PATRICIA, 1962, MONTH BULL MIN HEALTH AND PUBL HEALTH LAB SERV, V21, P96
[3]
CAMERON H. S., 1956, JOUR AMER VET MED ASSOC, V129, P19
[4]
Farrell I D, 1967, Mon Bull Minist Health Public Health Lab Serv, V26, P52
[5]
FERGUSON GS, 1960, J HYG CAMB, V48, P473
[6]
FLEISCHHAUER G, 1937, BERL MUENCH TIERAERZ, V53, P527
[7]
HANSARD, 1966, 735 PARL DEB HOUS CO
[9]
KERR W. R., 1959, British Veterinary Journal, V115, P105
[10]
MAIR N S, 1955, Mon Bull Minist Health Public Health Lab Serv, V14, P184