Rudwaleit, M Polyurethan-coated lumen surface of Shaldon catheters is not damaged by heparin. [electronic resource] - The International journal of artificial organs Sep 1993 - 682 p. digital Publication Type: Letter ISSN: 0391-3988 Subjects--Topical Terms: Catheterization, Central Venous--instrumentationCatheters, IndwellingHeparin--adverse effectsHumansPolyurethanesRenal DialysisThrombosis--chemically induced