DHUHA ALI HASSAN; MANAL MOHAMMED KADHIM. THE EFFECT OF PREEXISTING COMORBIDITIES ON CLINICAL SYMPTOMS OF SARS-COV2 INFECTION. World Bulletin of Public Health, [S. l.], v. 10, p. 25-31, 2022. Disponível em: https://scholarexpress.net/index.php/wbph/article/view/928. Acesso em: 8 jan. 2025.