Limitations: Few eligible studies were identified. Long-term adverse effects of false-positive PSA screening test results are unknown.

局限性：很少要求符合的研究得以确认。PS A假阳性筛查结果的长期不良影响未知。

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For it is not sure true or false tickets, passengers can also help refund the ticket Windows machine, or ask staff for help, "positively identified".

对于实在吃不准真假的车票，旅客们还可借助退票窗的验票机，或者请工作人员帮忙“验明正身。”

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Results Bedside emergency transthoracic echocardiography correctly identified 24 patients without false negative (sensitivity 100%) and with one false positive (specificity 96%).

结果急诊床旁经胸超声心动图正确检出24例心包填塞，无假阴性，敏感性100%，1例假阳性，特异性96%。

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Even self-identified Tea Party voters faced with this false choice chose cutting the deficit over cutting taxes.

FORBES: Voters Fear Bankruptcy Of U.S. Government, Pols Don't Care

Summers checked into the facility under a false name, but police identified him from a Superman logo tattooed on his chest, Arenas said.

NPR: Suspect In LA Girl's Abduction Captured In Mexico

U.S. and Algerian officials are still trying to confirm the identities of those involved, according to a federal law enforcement official -- and it was unclear whether the terrorist identified as a Canadian was carrying authentic or false identification.

CNN: BP fears 'the worst' for missing Algeria workers