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Mistakes Checklist

Common Vancouver Journal Article Citation Mistakes

Published studies report citation/reference error rates between 25-54%. Use this page to catch the most frequent formatting failures before submission.

Top mistakes to avoid

  • Not abbreviating journal names
  • Spaces between author initials
  • Omitting the DOI
  • Italicizing journal names (not required)

Wrong vs correct examples

Spaces and periods in author initials

Wrong

Smith, J.D., Johnson, M.R. Treatment outcomes in clinical trials. N Engl J Med. 2023;389(12):1102-1115.

Correct

Smith JD, Johnson MR. Treatment outcomes in clinical trials. N Engl J Med. 2023;389(12):1102-1115.

Vancouver writes author initials without periods, spaces, or commas before them. Write "Smith JD" not "Smith, J.D." — this compact format is a defining feature of Vancouver style.

Unabbreviated journal name

Wrong

Smith JD, Johnson MR. Treatment outcomes in clinical trials. New England Journal of Medicine. 2023;389(12):1102-1115.

Correct

Smith JD, Johnson MR. Treatment outcomes in clinical trials. N Engl J Med. 2023;389(12):1102-1115.

Vancouver requires abbreviated journal names following NLM (National Library of Medicine) standards. Use the PubMed/NLM catalog to find correct abbreviations.

Spaces around semicolon and colon in volume notation

Wrong

Smith JD, Johnson MR. Treatment outcomes in clinical trials. N Engl J Med. 2023; 389 (12): 1102-1115.

Correct

Smith JD, Johnson MR. Treatment outcomes in clinical trials. N Engl J Med. 2023;389(12):1102-1115.

Vancouver uses no spaces around the semicolon between year and volume or the colon between issue and pages. The compact format Year;Vol(Issue):Pages is mandatory.

Fix checklist

  • Use standard journal abbreviations
  • No spaces in author initials
  • Include DOI when available
  • Use numbered references in order of appearance

Frequently asked questions

Where can I find journal abbreviations for Vancouver?

Use NLM catalog or PubMed for standard medical journal abbreviations.

How do I cite an online-ahead-of-print article?

Add "Epub Year Mon Day" after the year, before the DOI.

Build the corrected citation now

Use the template and guide, then generate the final citation from verified academic sources.