@article{article7613b71e, title = {Reference ranges for the left ventricle modified myocardial performance index, respective time periods, and atrioventricular peak velocities between 20 and 36 + 6 weeks of gestation}, author = {Peixoto, Alberto Borges and Bravo-valenzuela, Nathalie Jeanne and Martins, Wellington Paula and Mattar, Rosiane and Moron, Antonio Fernandes and Araujo Júnior, Edward}, year = {2021}, doi = {10.1080/14767058.2019.1609933}, journal = {Journal of Maternal-Fetal & Neonatal Medicine} }