全球性信息分析公司，查文献
Elsevier的全文数据库
可按段落或句子搜索文献
免费文献获取神网站④
图像检索
PubMed® comprises more than 33 million citations for biomedical literature from MEDLINE, life science journals, and online books. Citations may include links to full text content from PubMed Central and publisher web sites.
Δ
