Safe long-term venous catheterization.
D000328:Adult; D002404:Catheterization / Q000009:adverse effects; D005767:Gastrointestinal Diseases / Q000628:therapy; D006801:Humans; D007601:Jugular Veins; D008722:Methods; D010288:Parenteral Nutrition; D011446:Prospective Studies; D013242:Sterilization; D013350:Subclavian Vein; D013997:Time Factors