- Influence of plasticizer-free CAPD bags and tubings on serum, urine, and dialysate levels of phthalic acid esters in CAPD patients. Mettang, T., Pauli-Magnus, C., Alscher, D.M., Kirchgessner, J., Wodarz, R., Rettenmeier, A.W., Kuhlmann, U. Peritoneal dialysis international : journal of the International Society for Peritoneal Dialysis. (2000)