数据库名称：U.S. National Library of Medicine
数据库简述：U.S. National Library of Medicine
数据库主要信息：The U.S. National Institutes of Health, Department of Health and Human Services, through its National Library of Medicine, has developed ClinicalTrials.gov to provide patients, family members, and members of the public current information about clinical research studies.
National Institute of Health
Department of Hepatobiliary Surgery, Humanitas Research Hospital, University of Milan School of Medicine, Rozzano, Italy
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