The results showed that the frequency of micronuclei by both methods increased steadily and correlated with the exposure duration,while the binucleated method showed more sensitive.

• 结果显示，两种检测方法的外周血淋巴细胞微核率均随工龄增长而上升，且呈线性正相关。双核细胞法较常规法敏感，且可减少计数误差。