2021-03-26 14:48:13
在Pubmed上接近23百万的摘要;在PMC70万的全文文章。Wiki-PubMed-PMC是以上两个再加上4百万的英文维基百科文章。PubMed Central® (PMC) is a free full-text archive of biomedical and life sciences journal literature at the U.S. National Institutes of Health's National Library of Medicine (NIH/