Contamination of umbilical catheters.
D002404:Catheterization / Q000009:adverse effects*; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000209:etiology*; D007239:Infections / Q000209:etiology*; D014471:Umbilical Veins; D014472:Umbilicus