| 41. | Now the possibility arises of offering a screening test to millions of healthy people.
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| 42. | Doctors approved the transplant after physical and psychological screening tests.
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| 43. | Samples that are negative on the screening test are discarded and reported as negative.
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| 44. | Pap smear as the primary screening test for cervical cancer.
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| 45. | It is not clear how these screening tests affect the rest of the pregnancy.
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| 46. | Instead, he puts the manager through a three-stage screening test:
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| 47. | Kindergarten through 8th grade requires a student screening test.
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| 48. | But he worries that even an improved stool screening test could be a mixed bag.
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| 49. | There is no screening test yet to check blood for West Nile virus, Humphrey said.
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| 50. | But by their very nature, screening tests are problematic.
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