Mammograms are commonly used to screen for breast cancer. In spite of easy access, conventional mammograms cannot find every tumor due to the limited image contrast mechanism. The measurement of X-ray beam refraction in breast tissues has the potential to be the next…
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New coronavirus test is imperfect step toward mass screening
A new type of coronavirus test offers a cheaper, quicker way to screen for infections, moving the U.S. toward the kind of mass screening that experts say is essential to returning millions of Americans to school and work. But the…
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