Wiedersberg, H [Positioning of the catheter in the catheterization of umbilical veins in the newborn infant]. [electronic resource] - Padiatrie und Grenzgebiete 1977 - 25-32 p. digital Publication Type: English Abstract; Journal Article ISSN: 0030-932X Subjects--Topical Terms: Catheterization--methodsHumansInfant, NewbornUmbilical Veins