@article{cruz-landim_patrício_2010,  title={Nuclear activity in Apis mellifera L. (Hymenoptera, Apidae) queen ovary cells demonstrated by silver nitrate impregnation and ultrastructure},  volume={70},  ISSN={1519-6984},  url={https://doi.org/10.1590/S1519-69842010000500023},  DOI={10.1590/S1519-69842010000500023},  number={4},  journal={Brazilian Journal of Biology},  publisher={Instituto Internacional de Ecologia},  author={Cruz-Landim, C. and Patrício, K.},  year={2010},  month={Nov},  pages={1069–1073} }