捷克斯洛伐克的一些科学家发现,某些从事电视播音工作的妇女自然流产发生较多。为此,他们对布拉格电视中心的12名播音员进行了细胞遗传学检查,并分别选择了A、B、C 3个对照组作同样的检查。对照A组为其他不同职业从事者;B组为该电视中心的技术人员,C组为布拉格国家歌剧院演员。检查结果表明,12名播音员外周淋巴细胞姐 Some scientists in Czechoslovakia found that some spontaneous abortions occur in some women engaged in television broadcasting. To this end, they conducted a cytogenetic examination of 12 announcers at the Prague Television Center and chose the same test for each of the three control groups, A, B and C. Group A is a professional technician in the television center and Group C is a member of the Prague National Opera. Inspection results show that 12 announcer peripheral lymphocyte sister