Index Medicus -national Library Of Medicine- Abbreviations For Journal Titles [updated] Jun 2026
Authors should never guess a journal's abbreviation. The easiest ways to verify a specific abbreviation include:
Certain words have standard, short truncations.
To maintain order within this massive repository, the NLM curates the (commonly accessed via the NLM Catalog).Every journal indexed in MEDLINE or listed in PubMed is assigned a unique, standardized abbreviation used across global citation formats, including AMA (American Medical Association), NLM, and Vancouver style. Why Standardized Journal Abbreviations Matter 1. Citation Consistency
A: No. In NLM abbreviations, the ampersand & or the word "and" is usually omitted entirely. Authors should never guess a journal's abbreviation
Index Medicus was a comprehensive bibliographic index of medical journal articles.Established in 1879 by John Shaw Billings, it served as the primary reference for medical professionals seeking peer-reviewed research for over a century.The print edition ceased publication in 2004 when its contents fully transitioned into MEDLINE, the primary component of PubMed.
By understanding the history, significance, and usage of the Index Medicus, researchers and healthcare professionals can harness the power of this valuable resource to advance biomedical knowledge and improve human health.
NLM Catalog: Journals referenced in the NCBI Databases - NIH Why Standardized Journal Abbreviations Matter 1
Maintain the unique identity of the journal to avoid confusion with similarly named publications. Why Use NLM Abbreviations?
The Index Medicus uses a set of rules and guidelines to create abbreviations for journal titles. These rules are based on a combination of factors, including the journal's official title, its ISSN (International Standard Serial Number), and its frequency of publication.
| Full Journal Title | NLM / Index Medicus Abbreviation | | :--- | :--- | | The New England Journal of Medicine | | | The Lancet | Lancet | | Journal of the American Medical Association | JAMA | | British Medical Journal | BMJ | | Journal of Clinical Investigation | J Clin Invest | | Nature Medicine | Nat Med | | Annals of Internal Medicine | Ann Intern Med | | Archives of Internal Medicine | Arch Intern Med (Now JAMA Intern Med) | | PLOS One | PLoS One | | Cancer Research | Cancer Res | | Pediatrics | Pediatrics (Single word = No abbreviation) | Index Medicus was a comprehensive bibliographic index of
She checked 1961. 1962. Nothing. Then, on a hunch, she pulled the unpublished galley proofs from 1958—the working drafts of the library’s first attempt to standardize biomedical abbreviations.
The NLM maintains a comprehensive list of journal title abbreviations, which is periodically updated to reflect changes in journal titles, new journal launches, and cessations of publication. This list serves as a reference for authors, editors, and librarians to ensure consistency in citation and indexing practices.