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已采集患者的血样供测定血型用。
来自马里卫生部和世界卫生组织的一个小组迅速调查了此次暴发并采集8份补充血样。
A team from the Ministry of Health, Mali and WHO quickly investigated the outbreak and took 8 additional blood samples.
研究人员采集了加州低收入家庭的223位女性的血样，其中大多数人为墨西哥裔，并询问她们多久会怀孕。
They took blood samples from 223 women on low incomes living in California, most of whom were Mexican, and asked them how long they had taken to become pregnant.
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