This improvement was maintained throughout the duration of the study with different levels for each group.

这种改善的状态贯穿整个研究，每一组的水平不同。

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Weather figures from the Australian Bureau of Meteorology were also sourced for the duration of the study period.

在研究进行期间，澳大利亚气象局的天气情况也作为数据来源进行参考。

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No patient developed worsening of thrombocytopenia after drug withdrawal, thrombocytosis, thrombosis or malignancy, although the duration of the study was short.

虽研究时间较短，但停药后，无患者发生血小板减少恶化、血小板增多、血栓形成或恶性肿瘤等病症。

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But the short duration of the study means it may not be able to answer some important safety questions.

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Of those who were living together when the study began, the average duration of their unions at that point was more than eight years.

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Moreover, the Durham University study also found a link between the duration of breastfeeding and the growth of the brain after birth, causing researcher Barton to suggest two years of breastfeeding may lead to increased cognitive functioning.

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