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Photograph (negative version) of ethidium-bromide stained agarose gel On UV transilluminator showing results of PCR assay using general human papilloma virus Primer set with internal control. Lane 1: DNA size marker (pUC 19 DNA/M spI); Lane 2: Positive control; Lane 3 to9: Samples negative for HPV DNA but showing amplified Beta-globin gene as internal control
