Women 's-tears Study Needs "Excavating".

女性泪水研究需要被“挖掘”。

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Clinical study needs the strict management system towards quality guarantee and moral risks.

临床研究需要严格的质量保证和道德风险管理机制。

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Any subject of study needs justification: its advocates must explain why it is worth attention.

任何学习的科目都需要解释：它的倡导者必须得解释为什么是值得关注的。

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But more needs to be done. She says there currently are not enough programs to study bird numbers and behavior.

VOA: special.2009.05.12

Another study found that almost half of American workers expressed concern about their ability to provide for immediate family needs.

VOA: special.2009.03.24

More study needs to be done on more common kinds of pain, such as headaches, bad backs and pain from disease.

WSJ: Doctors use brain scans to 'see' and measure pain

However, the Advisory Committee voted unanimously on a separate issue: they believe that a long term cardiovascular (CV) outcomes study needs to be done.

FORBES: FDA Panel Backs New Diabetes Drug: Will CV Study Be Needed Before Approval?

Vorp added that biopsies carry their own risks, such as infection and other complications, and that the study needs to be replicated in a larger study group.

CNN: Scientists 'seed' cells, make new organs