Esophageal capsule endoscopy for screening and surveillance of esophageal varices in patients with portal hypertension. Hepatology 47 , 1595–1603 (2008). Article Google Scholar ...

Aim: To investigate if esophageal varices can be evaluated using external contrast-enhanced ultrasonography with Levovist and coded harmonic angio (CHA). Methods: Subjects were six healthy adult ...