Individual skill
nejm-citation
Use to convert references to NEJM's Vancouver / ICMJE numbered style — numbered in order of appearance, limited author lists then et al., NLM journal abbreviations, and a capped reference count. Late-stage style pass.
NEJM-Skills/skills/nejm-citation/SKILL.md
Source commit 932eb23331721b16e967c59f093781be1928b498
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- Last checked
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# Reference Style (nejm-citation)
## When to trigger
- References are in author–date (APA/Harvard) or another numbered convention and must become Vancouver/ICMJE.
- The reference list is alphabetical instead of ordered by citation appearance.
- Author lists are not handled per the "list N then et al." convention.
- The reference count exceeds the article-type cap.
## Vancouver / ICMJE mechanics (NEJM)
- **Numbered, in order of appearance** in the text; in-text citations are superscript numbers (e.g., text.¹ or text.²,³).
- A **single reference list** numbered in citation order — not alphabetical.
- **Author lists**: the Vancouver/ICMJE convention lists the first **six authors then "et al."** when there are more than six. NEJM uses a limited author list of this kind — confirm the exact cutoff in the current author guidelines.