Heat shock proteins and cell death in situ localisation in hypopharyngeal glands of honeybee (Apis mellifera carnica) workers after imidacloprid or coumaphos treatmentMaja Ivana Smodiš Škerl and Aleš GregorcApidologie, 41 1 (2010) 73-86DOI: https://doi.org/10.1051/apido/2009051