Influence of Bt-transgenic pollen, Bt-toxin and protease inhibitor (SBTI) ingestion on development of the hypopharyngeal glands in honeybees Dirk Babendreier, Nicole M. Kalberer, Jörg Romeis, Peter Fluri, Evan Mulligan and Franz BiglerApidologie, 36 4 (2005) 585-594DOI: https://doi.org/10.1051/apido:2005049
