PubMed Overview:
– PubMed is a free database maintained by the United States National Library of Medicine (NLM).
– It primarily includes the MEDLINE database with references on life sciences and biomedical topics.
– Released in January 1996, offering free access to MEDLINE.
– As of May 23, 2023, PubMed has over 35 million citations dating back to 1966.
– Nearly one million new records are added to PubMed each year.
PubMed Search and Navigation:
– Standard searches involve entering key aspects of a subject into the search window.
– PubMed automatically enhances search formulations using field names, MeSH terms, and Boolean operators.
– Understanding MEDLINE and MeSH is crucial for optimal searches.
– Free text searches are recommended for new interventions or topics without MeSH headings.
– Controlled language headings combined with free text terms ensure an exhaustive search.
– Results on PubMed can be sorted by Most Recent, Best Match, Publication Date, and more.
PubMed Features and Tools:
– PubMed allows marking relevant references and identifying related articles.
– My NCBI provides tools for saving searches, filtering results, and more.
– LinkOut is an NLM facility linking full-text local journal holdings.
– PubMed Commons allowed authors to comment on indexed articles.
– PubMed identifier (PMID) is a unique integer value assigned to each PubMed record.
– PubMed data mining methods use programming environments like Matlab, Python, or R.
PubMed Updates and Enhancements:
– PubMed launched a new interface in October 2009 with Google-like search formulations.
– The website design and domain were updated in January 2020.
– PubMed Mobile Beta was introduced in 2011.
– PubMed Commons Commenting Feature was piloted in 2015 but discontinued in 2018.
– Rigorous policies ensure the integrity of NLM literature databases.
– Ongoing MEDLINE/PubMed production enhancements are in progress.
Related Resources and Tools:
– Europe PubMed Central and PubMed Central Canada are related platforms.
– Various web-based PubMed versions are available for free.
– MEDLINE is accessible through various platforms and private vendors worldwide.
– Tools like MiSearch, Anne OTate, ClusterMed, EBIMed, and MedEvi aid in data analysis and summarization.
– Multilanguage search tools like PICO Linguist, MeSH Speller, and askMEDLINE enhance search capabilities.
PubMed is a free database including primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics. The United States National Library of Medicine (NLM) at the National Institutes of Health maintains the database as part of the Entrez system of information retrieval.
Contact | |
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Research center | United States National Library of Medicine (NLM) |
Release date | January 1996 |
Access | |
Website | pubmed |
From 1971 to 1997, online access to the MEDLINE database had been primarily through institutional facilities, such as university libraries. PubMed, first released in January 1996, ushered in the era of private, free, home- and office-based MEDLINE searching. The PubMed system was offered free to the public starting in June 1997.