Elevated serum β-hCG levels in severe preeclampsia. Iraqi Journal of Medical Sciences, [S. l.], v. 7, n. 1, 2009. DOI: 10.22578/88edj416. Disponível em: https://iraqijms.com/index.php/jms/article/view/1100. Acesso em: 10 may. 2025.