Search for: [Description = "Polymerase chain reaction \(PCR\) primers specific to exon 2 of the bovine Major Histocompatibility Complex \(MHC\) class II gene BoLA\-DRB3 were used to amplify the homologous region \(284bp\) in 21 European bison Bison bonasus \(Linnaeus, 1758\)."]