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And low iron levels in blood can cause severe fatigue. To get a good dose of iron, try bison.

而血液中含铁量过低容易引起严重的疲劳感，为了摄取适量的铁，试一下野牛。

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Fortunately, like most thyroid cancer patients, she needed only a single dose of radiation to get rid of the cancer.

幸运的是，和大多数罹患甲状腺癌的患者一样，她只需要单剂放疗即可摆脱癌症的困扰。

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Adults should especially get a dose of Tdap if they expect to have close contact with an infant younger than 12 months, the CDC said.

CNN: Vaccination role unclear in whooping cough outbreak

If these bureaucrats felt the pain of taxes, perhaps we would get a better dose of realism in IMF attitudes and recommendations.

FORBES: Fact and Comment

Bananas would be a much cheaper alternative, even if it might be difficult to get a precise dose of the active compounds.

CNN: TWO IS ENOUGH - REALLY