Aguilar R. Fatigue symptom and oximetry sign in a patient with a positive Covid-19 antigen test for Sars-Cov-2. jmrhs [Internet]. 2022 Aug. 21 [cited 2024 May 20];5(8):2165-76. Available from: http://jmrhs.info/index.php/jmrhs/article/view/625