SAADAT, M. Sex ratio at birth in COVID-19 era: a report from Iran . EXCLI Journal, [S. l.], v. 20, p. 1499-1501, 2021. DOI: 10.17179/excli2021-4257. Disponível em: https://www.excli.de/index.php/excli/article/view/4257. Acesso em: 26 oct. 2021.