另一个数据集 axel -n 20 ftp://ftp.ncbi.nlm.nih.
sci 文章的doi查询以及搜索_sci-hub - how to find the doi number
by nihfcu in partnership with the office of research services
专利商标局网站有登记的与冠状病毒相关的专利,全部都是由 nih资助的
链接是:https://www.ncbi.nlm.nih.gov/geo/query/acc.cgi?
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