The infection rate in the vaccine group increased to 7.8%, and was not significantly different from 13.2% in the controls (P0.1).
A.正确
B.错误
正确答案：错误
The infection rate in the vaccine group increased to 7.8%, and was not significantly different from 13.2% in the controls (P0.1)
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Aspirin is used for temporary relief of pain.It can also be used to treat arthritic or rheumatologic diseases.It has antipyretic
The rates and reasons for losing to follow-up were checked.
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