title: [Positioning of the catheter in the catheterization of umbilical veins in the newborn infant].
mesh_terms: D002404:Catheterization / Q000379:methods; D006801:Humans; D007231:Infant, Newborn; D014471:Umbilical Veins
vernacular_title: Zur Frage der Katheterposition bem Nabelvenenkatheterismus in der Neugeborenperiode