PubMed: Free Medical Literature Search Engine - Access Millions of Articles

PubMed is a free online database that provides access to a vast collection of biomedical literature. It's maintained by the National Center for Biotechnology Information (NCBI), which is part of the United States National Library of Medicine (NLM). PubMed indexes articles from various sources, including scientific journals, research papers, conference proceedings, and more. It covers a wide range of biomedical topics, including medicine, nursing, dentistry, veterinary science, and public health. Users can search PubMed to find relevant articles on specific topics and access the full-text versions if available. PubMed also offers additional features such as citation information, related articles, and clinical guidelines.