EKINCI, Iskender et al. The relationship between disease prognosis and serum calcium and corrected calcium levels in COVID-19 patients. The European Research Journal, [S. l.], v. 7, n. 5, p. 515–523, 2021. DOI: 10.18621/eurj.940798. Disponível em: https://eurj.org.tr/article/view/567. Acesso em: 5 apr. 2026.