9van Oirschot J T, Rziha H J, Moonen P J L M, et al. Differentiation of serum antibodies from pigs vaccinated or infected with Aujeszky's disease virus by a competitive enzyme immun-oassay [ J 1. J Gen Virol, 1986, 67: 1179-1182.
10Katz J B, Pedersen J C. Molecular analysis of psendorabies viral vaccines and their rapid differentiation of wild- type isolates using DNA- amplified glycoprotein I and thymidine kinase gene segment polymorphisins[J]. Biologicals, 1992, 20 (3) : 187-195.
