共 23 条
[4]
CHEW-LIM M, 1977, Veterinary Pathology, V14, P67, DOI 10.1177/030098587701400108
[6]
CHRISTOFFERSEN PJ, 1976, ACTA PATH MICRO IM C, V84, P520
[8]
COLE GA, 1972, NATURE, V238, P335, DOI 10.1038/238335a0