Dhuha Ali Hassan, Manal Mohammed Kadhim. THE EFFECT OF PREEXISTING COMORBIDITIES ON CLINICAL SYMPTOMS OF SARS-COV2 INFECTION. Wor.Bul.Pub.Helt. [Internet]. 2022May6 [cited 2025Jan.8];10:25-31. Available from: https://scholarexpress.net/index.php/wbph/article/view/928