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Evidence of freedom from porcine reproductive and respiratory syndrome virus infection in Switzerland
Canon, N., Audige, L., Denac, H., Hofmann, M., Griot, C.Volume:
142
Language:
english
Journal:
Veterinary Record
DOI:
10.1136/vr.142.6.142
Date:
February, 1998
File:
PDF, 553 KB
english, 1998