title: Echocardiographic anatomy of the eustachian valve.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004452:Echocardiography; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D014682:Vena Cava, Inferior / Q000033:anatomy & histology*