%0 Journal Article %T Valaciclovir to prevent Cytomegalovirus mediated adverse modulation of the immune system in ANCA-associated vasculitis (CANVAS): study protocol for a randomised controlled trial %A Charles Ferro %A Dimitrios Chanouzas %A Lorraine Harper %A Lovesh Dyall %A Matthew David Morgan %A Paul Moss %A Peter Nightingale %J Archive of "Trials". %D 2016 %R 10.1186/s13063-016-1482-2 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4957324/