[Transumbilical portomanometry].
D000368:Aged; D006801:Humans; D006975:Hypertension, Portal / Q000175:diagnosis*; D008365:Manometry / Q000379:methods*; D008875:Middle Aged; D014471:Umbilical Veins; D014636:Valsalva Maneuver
Transumbilikální portomanometrie