title: Thrombus formation and central venous catheters.
mesh_terms: D000368:Aged; D002404:Catheterization / Q000009:adverse effects*; D006801:Humans; D008297:Male; D010288:Parenteral Nutrition / Q000009:adverse effects*; D013350:Subclavian Vein; D013927:Thrombosis / Q000209:etiology*; D014683:Vena Cava, Superior