@article{article36247a50,
title   = {Reference ranges of filling time and systolic-to-diastolic time index of the left ventricle, right ventricle, and interventricular septum using both spectral and tissue Doppler of fetal heart between 20 and 36 + 6 weeks of gestation},
author = {Peixoto, Alberto Borges and Bravo-valenzuela, Nathalie Jeanne and Martins, Wellington de Paula and Mattar, Rosiane and Moron, Antonio Fernandes and Pares, David Baptista da Silva and Tonni, Gabriele and Araujo Júnior, Edward},
year = {2020},
doi = {10.1016/j.ejogrb.2020.07.017},
journal   = {European Journal of Obstetrics & Gynecology and Reproductive Biology}
}