Prolonged intravenous alimentation; use of polyethylene tubing in the inferior vena cava or common iliac veins.
D006801:Humans; D007084:Iliac Vein; D007263:Infusions, Parenteral; D020959:Polyethylene; D011095:Polyethylenes; D035423:Thoracic Cavity; D014680:Veins; D014682:Vena Cava, Inferior; D014684:Venae Cavae
D011095:Polyethylenes; D020959:Polyethylene
INFUSIONS, PARENTERAL; VEINS, ILIAC; VENAE CAVAE