“Sars-Cov-2 Infection Screening Using Two Serological Testing Methods: Serologic diagnosis of SARS-CoV-2 infection” (2020) Nigerian Journal of Physiological Sciences, 35(2), पृ. 117–121. पर उपलब्ध: https://ojshostng.com/index.php/njphysiologicalsciences/article/view/1574 (अंतिम उपयोग: 5 जून 2026).