“Effect of nitazoxanide on qPCR seronegativity in patients infected with SARS-CoV-19”, RCSEM, vol. 4, no. 5, pp. 2–7, Aug. 2024, Accessed: Aug. 12, 2025. [Online]. Available: https://revistas.unan.edu.ni/index.php/Salud/article/view/4291