Vandoni, R., Guerra, A., Sanna, P., Bogen, M., Cavalli, F. and Gertsch, P. 2009. Randomised comparison of complications from three different permanent central venous access systems. Swiss Medical Weekly. 139, 2122 (May 2009), 313–313. DOI:https://doi.org/10.4414/smw.2009.12523.