Study limitations included lack of long-term cognitive follow-up and lack of physical or neuroanatomical testing.

研究的局限性，在于缺乏长期的认知随访，以及身体或神经解剖学试验。

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Study limitations included the observational nature of the study and the fact that aspirin use was self-selected.

研究的范围包括研究的观察本质和阿斯匹林的使用是自我选择的事实。

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Study limitations include those inherent in subgroup analysis, and lack of generalizability to other clinical populations.

研究限制包括子群分析的本质和缺乏其他临床族群的普遍性。

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Scott's study had limitations, but there is a long history of Acinetobacter infections in the Middle East.

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But the study has limitations, because it is an after-the-fact analysis of data.

FORBES: Study Raises Concerns About J&J Drug

The study has limitations.

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