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1990年2月,英国医学会(BMJ)对英国北部西海岸塞拉菲尔德原子能发电区周围居民小儿白血病多发的病因与其父亲工作工厂的有关因素进行了报道。Gardner等人报道的1950～1985年所发生的小儿白血病、非何杰金病、何杰金病共97名。从出生记录簿中选出与各病例相同性别、出生年月日最接近的1001名儿童,进行病例对照研究。其结果,患儿的父亲在患儿母亲妊娠前6个月之内受到了100mSv以上的外部照射
In February 1990, the British Medical Association (BMJ) reported on the causes of the high incidence of pediatric leukemia and the related factors of the factory at his father’s work in the area around the Sellafield Atomic Energy Area on the west coast of the United Kingdom. Gardner et al. Reported 97 childhood leukemia, non-Hodgkin’s disease, and Hodgkin’s disease that occurred between 1950 and 1985. 1001 children were selected from the birth record book, with the same sex as each case, and the date of birth, and a case-control study was conducted. As a result, the father of a child received external exposure of 100 mSv or more within 6 months prior to the pregnancy of the child’s mother