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ryd994 你英文确实不怎么好,那段话根本没说很难,不知道你哪里看出来的。只是说需要高精度的评测,给 analytic epidemiology 带来一定的挑战。这正是这篇论文的目的
另外没读完全文就不要过早下结论,文章一开始就引用了一些关于对健康影响的文章。
A recent evaluation (World Health Organisation, 2002 ) concluded that the epidemiologic evidence related to carcinogenicity of ELF-EMF above 0.4 muT was fairly consistent but still limited due to possible selection bias. At the same time, epidemiologic data on electric fields in humans were judged as inadequate and were, therefore, considered to be not classifiable as potential carcinogens.