Patterns of viral infection in honey bee queensRoy Mathew Francis, Per Kryger, Steen Nielsen|Journal of General Virology|2012Cited by 50
Factors involved in the recent increase in colony losses in DenmarkFlemming Vejsnæs, Per Kryger, Steen Nielsen|Journal of Apicultural Research|2010Cited by 41
No transmission of Potato spindle tuber viroid shown in experiments with thrips (Frankliniella occidentalis, Thrips tabaci), honey bees (Apis mellifera) and bumblebees (Bombus terrestris)Steen Nielsen, Richard A. Gottsberger, M. Viršček Marn et al.|European Journal of Plant Pathology|2012Cited by 15
Varroa og skadestærskler:Forsøgsrapporten 2010Per Kryger, Steen Nielsen, Roy Mathew Francis et al.|Unknown|2011Cited by 0
Risiko for smitte med kartoffeltenknoldviroid til kartoffelmarkerSteen Nielsen, A. Kahrer, Rihard A Gottsberger et al.|Unknown|2012Cited by 0