@article{liao_toyama_costa_ramos_brizot_zugaib_2009,  title={Correlation between the Doppler velocimetry findings of the uterine arteries during the first and second trimesters of pregnancy},  volume={55},  ISSN={0104-4230},  url={https://doi.org/10.1590/S0104-42302009000200026},  DOI={10.1590/S0104-42302009000200026},  number={2},  journal={Revista da Associação Médica Brasileira},  publisher={Associação Médica Brasileira},  author={Liao, Adolfo Wenjaw and Toyama, Julio and Costa, Verbênia and Ramos, Carla and Brizot, Maria and Zugaib, Marcelo},  year={2009},  pages={197–200} }