Cannulation of the umbilical vein.
D001803:Blood Transfusion; D002404:Catheterization; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000188:drug therapy; D007263:Infusions, Parenteral; D008722:Methods; D010288:Parenteral Nutrition; D010689:Phlebitis / Q000188:drug therapy; D010690:Phlebography; D014471:Umbilical Veins / Q000601:surgery*