Sonographic localization of neonatal umbilical catheters.
D002404:Catheterization; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007363:Intensive Care Units, Neonatal; D008297:Male; D014463:Ultrasonography; D014469:Umbilical Arteries; D014471:Umbilical Veins