👤 Kjeldsberg, Elisabeth Keywords 🔗 bronchitis virus (233) 🔗 avian infectious (53) 🔗 infectious bronchitis (235) 🔗 electron microscopy (149) 🔗 cell culture (240) 🔗 virus strain (138) Articles (2) Demonstration of 7-nm projections on human and avian coronaviruses 👤 Kjeldsberg, Elisabeth ⏰ 1984 📚 Ultrastructural Pathology "Runde" virus, a coronavirus-like agent associated with seabirds and ticks 👤 Traavik, T. 👤 Mehl, R. 👤 Kjeldsberg, Elisabeth ⏰ 1977 📚 Archives of Virology