Index Medicus -national Library Of Medicine- Abbreviations For Journal Titles Info
Story: The Little Librarian and the Long Journal Names
3. Format Rules (simplified)
When searching PubMed, using the correct abbreviation can sometimes help narrow down search results, particularly when the journal name is generic (e.g., Science or Nature ).
The Index Medicus may no longer sit on library shelves in heavy red-bound volumes, but its DNA runs through every modern biomedical database. The National Library of Medicine has taken that 19th-century card-catalog logic and transformed it into the 21st-century language of citation. Story: The Little Librarian and the Long Journal Names 3
Elena stared at the initials. E.V. Her own initials. But she was born in 1965. She hadn’t started working here until 1990. NLM Catalog: This is the authoritative source
For over a century, Index Medicus served as the primary roadmap to medical literature. To save space and ensure consistency within the printed volumes, the NLM developed a rigorous system for abbreviating journal titles. This became known as the Index Medicus style. N Engl J Med
The current NLM rule:
Use no period after the abbreviated word unless it is a truncation that would be ambiguous. In practice, most style guides (like AMA and Vancouver) now recommend no periods at all in journal abbreviations (e.g., N Engl J Med , not N. Engl. J. Med. ). Check your target journal’s guide.
- NLM Catalog: This is the authoritative source.