@article{rocha_andrade_moleiro_guedes-martins_2022,  title={Doppler Ultrasound of the Umbilical Artery: Clinical Application},  volume={44},  ISSN={0100-7203},  url={https://doi.org/10.1055/s-0042-1743097},  DOI={10.1055/s-0042-1743097},  number={5},  journal={Revista Brasileira de Ginecologia e Obstetrícia},  publisher={Federação Brasileira das Sociedades de Ginecologia e Obstetrícia},  author={Rocha, Ana Sá and Andrade, Ana Rosa Araújo and Moleiro, Maria Lúcia and Guedes-Martins, Luís},  year={2022},  month={May},  pages={519–531} }