👤 Jager, E. J. Keywords 🔗 bronchitis virus (233) 🔗 infectious bronchitis (235) 🔗 virus strain (138) Articles (1) Sequence evidence for RNA recombination in field isolates of avian coronavirus infectious bronchitis virus 👤 Kusters, J. G. 👤 Jager, E. J. 👤 Niesters, H. G.M. 👤 van der Zeijst, B. A.M. ⏰ 1990 📚 Vaccine