Silver-impregnated, antibiotic-impregnated or non-impregnated ventriculoperitoneal shunts to prevent shunt infection: the BASICS three-arm RCT oleh Conor L Mallucci, Michael D Jenkinson, Elizabeth J Conroy, John C Hartley, Michaela Brown, Tracy Moitt, Joanne Dalton, Tom Kearns, Michael J Griffiths, Giovanna Culeddu, Tom Solomon, Dyfrig Hughes, Carrol Gamble, the BASICS study collaborators