# pubmed > Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed August 23, 2026. > PubMed® comprises more than 40 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. - Business Profile: https://optimly.ai/brand/pubmed - Publisher: Optimly (https://optimly.ai) - Dataset: Optimly AI Brand Index (https://optimly.ai/brand) - Official website: https://pubmed.ncbi.nlm.nih.gov/ - Logo: https://logo.clearbit.com/pubmed.ncbi.nlm.nih.gov - Slug: pubmed - Category: Biomedical Literature Databases - Last Analyzed: August 23, 2026