Rida TM, Safae EK, Hicham E, Rachid A, Youssef A, Ahmed R, et al. Evaluation of Three Covid-19 Antigen Assay Versus PCR Detection in Routine Practice. rajar [Internet]. 2021 May 21 [cited 2024 Jul. 22];7(5):2347-9. Available from: https://rajournals.in/index.php/rajar/article/view/678