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J Oral Pathol Med (2010) 39: 599–604
Using PCR/DNA sequencing, we investigated the prevalence of human papillomavirus (HPV), herpes simplex virus (HSV) and Epstein–Barr virus (EBV) DNA in brush biopsies obtained from 150 users of Sudanese snuff (toombak) and 25 non‐users of toombak in formalin‐fixed paraffin‐embedded tissue samples obtained from 31 patients with oral dysplasias (25 toombak users and...
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