@article{almeida_simões_silvinato_bernardo_2020, title={Ultrasound in the first trimester of pregnancy}, volume={66}, ISSN={0104-4230}, url={https://doi.org/10.1590/1806-9282.66.7.1323}, DOI={10.1590/1806-9282.66.7.1323}, number={10}, journal={Revista da Associação Médica Brasileira}, publisher={Associação Médica Brasileira}, author={Almeida, Glauce Romeiro de and Simões, Ricardo dos Santos and Silvinato, Antonio and Bernardo, Wanderley Marques}, year={2020}, month={Oct}, pages={1323–1326} }