title: [Problem of umbilical vein catheterization].
mesh_terms: D002404:Catheterization; D005078:Exchange Transfusion, Whole Blood; D006801:Humans; D007231:Infant, Newborn; D014471:Umbilical Veins; D014682:Vena Cava, Inferior
vernacular_title: Das Problem der Nabelvenenkatheterisierung