Cartwright R A, McKinney P A, Hopton P A, Birch J M, Hartley A L, Mann J R, Waterhouse J A, Johnston H E, Draper G J, Stiller C
Lancet. 1984 Nov 3;2(8410):999-1000. doi: 10.1016/s0140-6736(84)91105-x.
Analysis of information obtained in an inter-regional epidemiological study by interviewing the parents of 555 children with malignancy diagnosed between 1980 to 1983 and the parents of 1110 control children did not reveal any significant association between exposure to ultrasound examination in pregnancy and risk of childhood cancer.
通过访谈1980年至1983年间确诊的555名恶性肿瘤患儿的父母以及1110名对照儿童的父母,对一项区域间流行病学研究中获得的信息进行分析,结果未发现孕期接受超声检查与儿童癌症风险之间存在任何显著关联。