although ra patients with positive anti-rana antibody usually had high titers of anti-epstein-barr nuclear antigen ( ebna ) and anti-viral capsid antigen ( vca ) igg antibodies , the wilcoxon ranks sum test showed no close statistical correlation between the presence of anti-rana antibodies and the titers of anti-ebna or anti-vca ( igg ) antibodies .
C0003342
viral
C0003320
vca