
SIR, — Since July 2004, the Veterinary Laboratories Agency (vla) has been screening all bovine viral diarrhoea virus (bvdv) antigen elisa-positive blood samples with a TaqMan reverse transcriptase-pcr (rt-pcr) test that discriminates between bvdv type 1 (bvdv-1), type 2 (bvdv-2) and Border disease
| selected citations These citations are derived from selected sources. This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | 39 | |
| popularity This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network. | Top 10% | |
| influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically). | Top 10% | |
| impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network. | Top 10% |
