For people born in the last 50 years or so, the C-14 test can by itself sometimes identify dates of both birth and death, Buchholz notes.
布赫兹指出，对于过去50年左右出生的人们，有时单凭碳14测试就能确认其出生和死亡日期。
Until his group's new report, scientists hadn't compared racemization and C-14 analyses on the same teeth, Buchholz says.
截至他的研究小组出台新报告之前，科学家们未曾对比过同一颗牙齿的外消旋化以及碳14分析结果，布赫兹说道。
Until his group's new report, scientists hadn't compared racemization and C-14 analyses on the same teeth, Buchholz says.
截至他的研究小组出台新报告之前，科学家们未曾对比过同一颗牙齿的外消旋化以及碳14分析结果，布赫兹说道。
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