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Police have sealed off affected areas to prevent access by foreign journalists, making reports of recent events difficult to confirm.
ECONOMIST: Tibetans and the Chinese state
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Claims from either side are difficult to confirm, as journalists and independent observers rarely have access to the front lines.
CNN: SHARE THIS
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It's difficult to confirm whether, as many allege, elements of the armed forces are inciting and fanning unrest in the provinces.
CNN: ASIANOW - TIME Asia | Cover: Raging Inferno
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The UN stopped estimating the death toll in Syria after it passed 5, 400 in January, saying it was too difficult to confirm.
BBC: UN Syria text drops call for Assad power handover
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It is difficult to confirm the casualty toll in Syria because there are no independent monitors on the ground and international journalists have been denied access to the country.
BBC: Russia accuses West of 'immoral' stance on Syria
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It's been difficult to confirm their safety, however, especially since investigators have to find a way to distinguish between the effects of depression itself -- and habits that depressed women may be more likely to engage in, like drinking and smoking -- and the drug on the newborn.
CNN: Antidepressant use in pregnancy can affect newborn
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And is it especially difficult for women, with all our intuition and (amazing) online research skills, to not dig for evidence to confirm our worst fears?
FORBES: Why Playing Online Detective is a Dangerous Game