The Publisher regrets that this article is an accidental duplication of an article that has already been published in Clin. Biochem. 39 (2006) 378-386, doi:10.1016/j.clinbiochem.2006.01.017. The duplicate article has therefore been withdrawn. This article has been withdrawn consistent with Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). The Publisher apologizes for any inconvenience this may cause.
Wilson, D. ; Johnston, F ; Holt, D ; Moreton, M ; Engelmayer, J. ; et. al. WITHDRAWN: Multi-center evaluation of analytical performance of the microparticle enzyme immunoassay for sirolimus.. In: Clinical biochemistry, (2006)