共 35 条
[31]
ROSS J. G., 1963, Veterinary Record, V75, P129
[32]
COURSE AND DEVELOPMENT OF ABOMASAL LESIONS IN CALVES EXPERIMENTALLY INFECTED WITH NEMATODE PARASITE OSTERTAGIA OSTERTAGI
[J].
BRITISH VETERINARY JOURNAL,
1965, 121 (05)
:228-&
[34]
SMITH HJ, 1974, AM J VET RES, V35, P935
[35]
SMITH HJ, 1968, CANADIAN VET J, V9, P46