BACKGROUND &AIM: To explore the significance and interaction of telomerase activation and expression of proliferating cell nucleus antigen (PCNA) in arsenic-induced skin lesion from coal burning.

• 摘要背景与目的：探讨端粒酶活性与增殖细胞核抗原(PCNA)在燃煤砷污染致皮肤病变中的作用及相互关系。