F. Yapp

Variation in open reading frames 3, 4 and 7 among porcine reproductive and respiratory syndrome virus isolates in the UK.

T. Drew, J. Lowings, F. Yapp, 1997, Veterinary microbiology.

The detection of bovine viral diarrhoea virus in bulk milk samples by the use of a single-tube RT-PCR.

D. Paton, T. Drew, F. Yapp, 1999, Veterinary microbiology.