General Rules for Report Number (required) to Citing Entire Reports Vancouver Style

Give the report number as it appears on the publication, using whatever capitalization and punctuation are found there.

Precede the number with the wording Report No.: and a space.

End the number with a period.

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Citing Medicine: The NLM Style Guide for Authors, Editors, and Publishers [Internet]. 2nd edition. Chapter 4: Scientific and Technical Reports