Abbreviations: NPC, nasopharyngeal carcinoma; NC, normal control; CC, Chaoshan sample, which included NC in this study and the two reported Chaoshan populations [42], [43]; UD, undefined. The value of
Recent studies have shown association of mtDNA background with cancer development. We analyzed mitochondrial DNA (mtDNA) control region variation of 201 patients with nasopharyngeal carcinoma (NPC) an