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为探讨母亲在皮革业工作对婴儿某些先天性畸形的影响而进行了这次基于医院的病例－对照研究。病例组为２６１例于１９９３～１９９４年出生在西班牙巴伦西亚８所公立医院具有不同类型先天性畸形的婴儿，从出院记录中收集婴儿出生时间和先天性畸形的诊断依据。以１∶１配对...
A hospital-based case-control study was conducted to investigate the effects of maternal work in the leather industry on some congenital malformations in infants. The case group consisted of 261 infants who had different types of congenital malformations at eight public hospitals in Valencia, Spain, from 1993 to 1994. The diagnosis of infantile births and congenital malformations was collected from discharge records. Paired with 1: 1