@article{dias_souza_assis_raymundo_2009,  title={Pregnancy diagnosis, fetal quantification and gender estimation by ultra-sonography in ewes},  volume={33},  ISSN={1413-7054},  url={https://doi.org/10.1590/S1413-70542009000300035},  DOI={10.1590/S1413-70542009000300035},  number={3},  journal={Ciência e Agrotecnologia},  publisher={Editora da Universidade Federal de Lavras},  author={Dias, Lilian Mara Kirsch and Souza, José Camisão de and Assis, Roberta de Moura and Raymundo, Camila de Moraes},  year={2009},  month={May},  pages={911–916} }