| 11. | Epidemiologists had begun to document the higher rates of leukemia among radiologists.
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| 12. | Epidemiologists term this dramatic escalation the " tipping point ."
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| 13. | That, some epidemiologists say, presents a new set of worries.
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| 14. | Epidemiologists consider influenza outbreaks in nursing homes reflective of the larger community.
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| 15. | Epidemiologists have estimated that 20 million to 100 million people died worldwide.
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| 16. | But epidemiologists said non-randomized studies could be misleading.
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| 17. | They became environmental sleuths, amateur epidemiologists and rock hounds.
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| 18. | Epidemiologists have found that the circumstances at all three networks appear similar.
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| 19. | They have world class researchers and epidemiologists in World War II buildings,
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| 20. | But Michael Bracken, an epidemiologist at Yale University, is unconvinced.
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