Mohammed F, Sahib A. A comparative study of the effectiveness of Pfizer-BioNTech (BNT162b2), Astra Zeneca (ChAdOx1nCoV-19) and Sinopharm (BBIBP-CorV) vaccines in eliciting Humoral immunity in a sample of vaccinated population from Iraq. Bangladesh J Med Sci [Internet]. 2023 Jun. 16 [cited 2024 Aug. 16];22(3):553-6. Available from: https://banglajol.info/index.php/BJMS/article/view/65323