PubMed is a free resource supporting the search and retrieval of peer-reviewed biomedical and life sciences literature with the aim of improving health–both globally and personally.
The PubMed database contains more than 30 million citations and abstracts of peer-reviewed biomedical literature. It does not include full-text journal articles; however, links to the full text are often present when available from other sources, such as the publisher's website or PubMed Central (PMC).
This database (DB) was created in the National Medical Library of the National Institute of Health in the early 80s. It is concentrated Abstracts and bibliographic data of all publications from more than 4000 world scientific journals.
Main advantages of the MedLine database:
1. It allows you to quickly select bibliographic data on articles on a given topic from the late 60s to the present;
2. It is possible to cover about 70-80% of all journal publications according to a topic, which is usually quite enough;
3. By abstracts of articles you can quickly get an idea of relevant topic and the scope of research in it;
4. You can easily search for related issues.
The access to Medline: http://www.ncbi.nlm.nih.gov/pubmed/.
Search for publications by keywords and phrases. For The keywords on the search page have an input line. Request processed after clicking on the " Search " button. The search result is a list of publications in which meet the given keywords and phrases.
Each entry in the list is usually represented by the following fields:
1. Authors of the publication;
2. Title of publication;
3. The source in which the article was printed;
4. PMID - a unique identifier that allows quickly find the article again;
5. Abstract (Abstract) publication. In the abstract of laid down the main content of the article. To receive it, you must select desired article or use the link to it.
For a more detailed search on the Web site, the "advanced" mode is provided. This mode allows you to specify in the query not only keywords and phrases, but also additional information for selecting publications.