Comorbidities and risk factors for COVID-19 in a group of Iraqi patients confirmed by real-time PCR test. Journal Port Science Research, [S. l.], v. 4, n. 1, p. 1–5, 2021. DOI: 10.36371/port.2021.1. Disponível em: https://www.jport.co/index.php/jport/article/view/60. Acesso em: 27 may. 2026.