|
|
| | Khan, F et al. Evaluation of the effects of long-term storage of bovine ear notch samples on the ability of 2 diagnostic assays to identify calves persistently infected with bovine viral diarrhoea virus. J. S. Afr. Vet. Assoc., 2011, vol.82, no.1, p.18-23. ISSN 1019-9128
|
|
