biostudies-literatureUnknown40(10)Blaivas MJournal of ultrasound in medicine : official journal of the American Institute of Ultrasound in Medicine2251-2253https://www.ebi.ac.uk/biostudies/studies/S-EPMC7753772biostudies-literatureA Tale of Undiagnosed Coronavirus Disease 2019 and Continued Disabling Exertional Dyspnea in a Previously Healthy and Active Patient.PMC7753772Blaivas MfalseA Tale of Undiagnosed Coronavirus Disease 2019 and Continued Disabling Exertional Dyspnea in a Previously Healthy and Active Patient.2021-01-01T00:00:00Z2021 Oct2025-05-29T22:19:57.457Z2022-07-23T14:49:40.617ZS-EPMC77537723327093810.1002/jum.15590