Survey On Different Methods Used to Track Maternal and Fetal Health During Pregnancy. Journal of Pharmaceutical Negative Results, [S. l.], v. 13, n. 4, p. 1539–1546, 2022. DOI: 10.47750/pnr.2022.13.04.216. Disponível em: https://pnrjournal.com/index.php/home/article/view/5006.. Acesso em: 5 jun. 2026.