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1994年5月～1996年9月对本市某厂焊接车间的51名锡铅女工进行了孕前驱铅,并对驱铅后的首次妊娠及生育状况进行了调查,其结果报告如下。
From May 1994 to September 1996, 51 lead-lead workers in the welding workshop of a factory in the city were pregnant with lead and the first pregnancy and childbirth after lead removal were investigated. The results are reported as follows.