@article{otto_2000,  title={Drosophila viewer: a program on the formal genetics, anatomy and developmental biology of Drosophila melanogaster for students and specialists},  volume={23},  ISSN={1415-4757},  url={https://doi.org/10.1590/S1415-47572000000400022},  DOI={10.1590/S1415-47572000000400022},  number={4},  journal={Genetics and Molecular Biology},  publisher={Sociedade Brasileira de Genética},  author={Otto, P.A.},  year={2000},  month={Dec},  pages={835–839} }