共 19 条
[1]
BLEWETT DA, 1984, BRIT VET J, V140, P54, DOI 10.1016/0007-1935(84)90058-7
[3]
Buxton D., 1991, Diseases of sheep., P49
[6]
Dohoo I., 2003, VET EPIDEMIOLOGIC RE, P85
[7]
Dubey J. P., 1988, Toxoplasmosis of animals and man.
[8]
DUBEY JP, 1990, J AM VET MED ASSOC, V196, P259
[10]
DUBEY JP, 1986, MISC PUBL COMMONWEAL, V10