# National Library of Medicine (NLM) > Analysis by Optimly for Optimly AI Visibility, in the Optimly AI Brand Index. Last analyzed August 9, 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/national-library-of-medicine-nlm - 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: national-library-of-medicine-nlm - Brand Authority Index tier: Emerging - Archetype: Incumbent - Category: Biomedical Literature Database - Last Analyzed: August 9, 2026 ## Buyer Intent Signals Problems: Manual Journal Search & Library Visits: Researchers would need to manually search individual journal websites, subscribe to various publications, or visit physical libraries to access biomedical liter | Professional Medical Research Services: Hiring specialized agencies or medical librarians to conduct comprehensive literature searches and retrieve relevant articles, incurring costs and potentially l | Lack of Comprehensive Literature Access: Without a resource like PubMed, individuals and researchers would have significantly reduced access to current and historical biomedical literature, hindering Solutions: PubMed | biomedical literature database | medical research citations | trending medical articles | National Library of Medicine resources | General Academic Search Engines: Using broader academic search engines or university library portals that may not have the same specialized indexing (like MeSH) or direct links to full text/PMC as Pub