title: Portal hypertension and the reliability of sonographic markers.
authors.forename: T R
authors.initials: TR
authors.lastname: da Silveira
authors.forename: N
authors.initials: N
authors.lastname: Irigoyen
authors.forename: E D
authors.initials: ED
authors.lastname: de Mello
mesh_terms: D000293:Adolescent; D001011:Aorta / Q000000981:diagnostic imaging; D002648:Child; D002675:Child, Preschool; D006801:Humans; D006975:Hypertension, Portal / Q000000981:diagnostic imaging*; D007223:Infant; D009852:Omentum / Q000000981:diagnostic imaging; D011169:Portal Vein / Q000000981:diagnostic imaging; D015203:Reproducibility of Results; D014463:Ultrasonography