8McMartin, D.A.Infectious bronchitis.Virus infectious of birds. 1993,4.
9Ndifuna,A;Waters,AK;Zhou,M;Collisson,EW.Recombinant nucleocapsid protein is potentially an inexpensive, effective serodiagnostic reagent for infectious bronchitis virus Journal of Virological Methods V. 70,no. 1,1998.
10Lugovskaya NN; Scherbakov AV; Yakovleva AS; Tsyvanyuk MA; Mudrak NS; Drygin VV; Borisov AVo Detection of antibodies to avian infectious bronchitis virus by a recombinant nucleocapsid protein-based enzyme-linked immunosorbent assay. Journal Of Virological Methods.2006 Aug; Vol. 135 (2).
