U.S. manufacturing activity contracted further in December, with a measure of factory output dropping to the lowest level in more than 4-1/2 years amid worries that higher tariffs would raise ...

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A clinical trial is defined by NIH as a research study in which one or more human subjects are prospectively assigned to one or more interventions (which may include placebo or other control) to ...

Ahead of print articles are peer reviewed, accepted articles to be published in this publication. When the final article is assigned to volumes/issues of the publication, the ahead of print article ...