Hospitals are just learning about and are very concerned that a shortage of the fluid they use to make CT scans and MRIs more readable may last until late June. For example, The University of Alabama ...
Many U.S. hospitals are postponing scans used to diagnose diseases after a Covid lockdown in China hobbled the main U.S. supplier of an imaging chemical. By Reed Abelson Doctors cannot seem to ...
The ratio of the brightest white to the darkest black on a TV or computer monitor. The larger the number, the greater the extremes; for example, car headlights can appear brilliant next to the pitch ...
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