1. Ben-Porat T, Deatly AM, Easterday DC, Galloway D, Kaplan AS, McGregor S (1984) Latency of pseudorabies virus. Curr Top Vet Med Anim Sci 27: 365?383
2. Beran GW, Davies EB, Arambulo PV, Will CA, Hill HT, Rock DL (1980) Persistence of pseudorabies virus in infected swine. J Am Vet Med Assoc 176: 998?1000
3. Brahic M, Haase AT (1978) Detection of viral sequences of low reiteration frequency by in situ hybridization. Proc Natl Acad Sci USA 75: 6125?6129
4. Davies EB, Beran GW (1980) Spontaneous shedding of pseudorabies virus from clinically recovered post parturient sow. Am J Vet Med Assoc 176: 1345?1347
5. Efstathiou S, Minson AC, Field HJ, Anderson JR, Wildy P (1986) Detection of herpes simplex virus-specific DNA sequences in latently infected mice and in humans. J Virol 57: 446?455