☆ 4.7 Letter

Clinical Research and Trials-A Nonessential Victim of the COVID-19 Pandemic?

AMERICAN JOURNAL OF GASTROENTEROLOGY (2020)

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AMERICAN JOURNAL OF GASTROENTEROLOGY

卷 115, 期 6, 页码 946-947

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LIPPINCOTT WILLIAMS & WILKINS

DOI: 10.14309/ajg.0000000000000663

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