@article{fregonezi_fernandes_torezan_vieira_vanzela_2006,  title={Karyotype differentiation of four Cestrum species (Solanaceae) based on the physical mapping of repetitive DNA},  volume={29},  ISSN={1415-4757},  url={https://doi.org/10.1590/S1415-47572006000100019},  DOI={10.1590/S1415-47572006000100019},  number={1},  journal={Genetics and Molecular Biology},  publisher={Sociedade Brasileira de Genética},  author={Fregonezi, Jéferson Nunes and Fernandes, Thiago and Torezan, José Marcelo Domingues and Vieira, Ana Odete S. and Vanzela, André Luís Laforga},  year={2006},  pages={97–104} }