PubMed indexes citations for biomedical literature from MEDLINE, life science journals and online books, with links to full text when available.
Google Scholar
Google Scholar searches scholarly literature across articles, theses, books, abstracts and court opinions from multiple disciplines.

About Google Scholar
Google Scholar is a search service for scholarly literature. From one place, you can search across articles, theses, books, abstracts and court opinions, with sources drawn from academic publishers, professional societies, online repositories and universities. The site says it ranks documents by weighing their full text, where they were published, who wrote them, and how often and how recently they have been cited. You can also explore related works and citations, and locate complete documents through a library or on the web.
Pricing is not clearly stated.
Key features
- Search articles, theses, books, abstracts and court opinions
- Explore related works, citations, authors and publications
- Locate complete documents through a library or the web
- Ranking that weighs full text, publication venue, authors and citations
- Check who is citing your publications and create a public author profile
- Legal opinions are for information only and are not a substitute for legal advice
- Google does not warrant that the information is complete or accurate
Google Scholar at a glance
- Website
- scholar.google.com
- Category
- Research & Data › Academic Papers
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web
- Details verified
- Oct 21, 2026 · Official source
- Open source
- Not stated
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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