Fig. 3From: Preliminary evaluation of a candidate international reference for Epstein–Barr virus capsid antigen immunoglobulin A in ChinaThe correlations of VCA-IgA concentrations between different kits. a Antu and Beier ELISA kits. b Tarcine ELISA kit and New Industries CLIA kit. The low correlation (R2 < 0.8) between other kits was not shownBack to article page