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Table. 4 Distribution of the study population by residence and EBV infection

From: Molecular Detection of Epstein - Barr virus in Nasopharyngeal Carcinoma among Sudanese population

Residence EBV (LMP 1) Total
Negative Positive
Central 6 11 17
Northern 10 5 15
Southern 6 12 18
Eastern 3 8 11
Western 6 15 21
Total 31 51 82