Screening of natural compounds for the control of nosema disease in honeybees (Apis mellifera) Lara Maistrello, Marco Lodesani, Cecilia Costa, Francesco Leonardi, Giovanna Marani, Mauro Caldon, Franco Mutinelli and Anna GranatoApidologie, 39 4 (2008) 436-445DOI: https://doi.org/10.1051/apido:2008022