Soria, T [Retrograded catheterization of the umbilical vein; radiological and manometric data]. [electronic resource] - Revista espanola de las enfermedades del aparato digestivo Sep 1976 - 301-18 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0034-9437 Subjects--Topical Terms: Catheterization--methodsHumansManometry--methodsPhlebography--methodsUmbilical Veins--diagnostic imaging