Nebesar, R A Portal venography by selective arterial catheterization. [electronic resource] - The American journal of roentgenology, radium therapy, and nuclear medicine Jun 1966 - 477-87 p. digital Publication Type: Journal Article ISSN: 0002-9580 Standard No.: 10.2214/ajr.97.2.477 doi Subjects--Topical Terms: CatheterizationHumansHypertension, Portal--diagnosisLiver Diseases--diagnosisPhlebographyPortal VeinThrombophlebitis--diagnosis