. . . "PMC7369109" . "Jung, F" . "Jung, E" . "32333581" . "Medline; PMC" . . "cc-by-nc" . "10.3233/ch-209003" . "2020-06-05"^^ . . "32333581" . . "e9166047b15b7f74482dd6b8e243233844bbc141" . "Stroszczynski, C" . . . "Clinical hemorheology and microcirculation" . "Contrast enhanced ultrasonography (CEUS) to detect abdominal microcirculatory disorders in severe cases of COVID-19 infection: First experience" .