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Presence of wild type Aujeszky's disease virus in swine identified as subclinical low-prevalent serological test reactors within qualified virus-negative herds
Gail Scherba, Ling JinVolume:
40
Year:
1994
Language:
english
DOI:
10.1016/0378-1135(94)90121-x
File:
PDF, 1.05 MB
english, 1994