RT Journal Article SR Electronic T1 COVID-19 Stroke Apical Lung Exam Study: Is it Really an Accurate Diagnostic Method? JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP E53 OP E53 DO 10.3174/ajnr.A7141 VO 42 IS 8 A1 S. Marquez A1 J. CampaƱa A1 N. Bedoya YR 2021 UL http://www.ajnr.org/content/42/8/E53.abstract AB