@article{peixoto_bravo-valenzuela_rocha_araujo júnior_2021,  title={Spectral Doppler, tissue Doppler, and speckle-tracking echocardiography for the evaluation of fetal cardiac function: an update},  volume={54},  ISSN={0100-3984},  url={https://doi.org/10.1590/0100-3984.2020.0052},  DOI={10.1590/0100-3984.2020.0052},  number={2},  journal={Radiologia Brasileira},  publisher={Publicação do Colégio Brasileiro de Radiologia e Diagnóstico por Imagem},  author={Peixoto, Alberto Borges and Bravo-Valenzuela, Nathalie Jeanne and Rocha, Luciane Alves and Araujo Júnior, Edward},  year={2021},  month={Jan},  pages={99–106} }