Detection of SARS Cov-2 IgG, and IgA Antibodies in Patient’s Serum, Saliva and Nasal fluid using ELISA. [s.l.] : مكتبة إيجرتو الرقمية ,2026. DOI: 10.5281/zenodo.20702753. Disponível em: https://book.egertu.com/index.php/egdl/catalog/book/4. Acesso em: 16 2026.