In vitro study comparing the effect of different rinsing regimen on implantable catheters with injection ports (IP) after 70 days infusion of TPN : W. Klem, K. With, Pharmacy Dept., Ø. Bentdal, Research, Rikshospitalet, National Hospital, University of Oslo, H. Flaatten, Dept. of Anaesthesiology, Haukeland University Hospital, Bergen, NORWAY