Sonia Deb, Shubhra Chattopadhyay, Bishal Gupta, Rinku Chakraborti, Subhasish Kamal Guha, and Bhaswati Bandyopadhyay. “Evaluation of Antigen Based Rapid Diagnostic Test in Comparison to RT PCR in Diagnosis of Sars CoV2 With Respect to Duration of Illness and Ct Value of Corresponding RT PCR”. International Journal of Health and Clinical Research, vol. 5, no. 2, Jan. 2022, pp. 954-6, https://ijhcr.com/index.php/ijhcr/article/view/5032.