The U.S. workweek hasn't always been 40 hours long, so maybe something else is possible. Gearstd/iStock via Getty Images Plus About 1 in 3 Americans make at least one New Year’s resolution, according ...
Abstract: Locating the start, apex and end keyframes of moving contrast agents for keyframe counting in X-ray coronary angiography (XCA) is very important for the diagnosis and treatment of ...
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