Interactions among Varroa jacobsoni mites, acute paralysis virus, and Paenibacillus larvae larvae and their influence on mortality of larval honeybees in vitro Camilla J. Brødsgaard, Wolfgang Ritter, Henrik Hansen and Henrik F. BrødsgaardApidologie, 31 4 (2000) 543-554DOI: https://doi.org/10.1051/apido:2000145