Methods Mutant frequencies of somatic HPRT locus in peripheral blood lymphocytes of 30 healthy adults and 30 radiation workers were detected by using 6 thioguanine resistant(TG r)assay.

• 方法应用人外周血淋巴细胞抗6-TG分析技术检测了30例健康成人和30例放射工作者体细胞HPRT位点突变频率。