exfoliated nasopharyngeal ( np ) cells from 62 normal cantonese chinese having iga/vca antibodies for more than a year and from 39 similar persons without iga/vca antibodies , were tested for the presence of ebv/dna sequences by spot followed by blot hybridization tests , using the cloned internal repeat of b95-8 viral dna as probe .
C0012854
dna
C0012939
viral dna