Specific Rules #1 for Type of Medium (required) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style: Titles ending in punctuation other than a period

Most titles of volumes end in a period. Place [microfiche], [microfilm], or [microcard] inside the period.

Oral pathology [microfiche].

If a title ends in another form of punctuation, keep that punctuation and follow [microfiche], [microfilm], or [microcard] with a period.

What shall I eat? [microfilm].

Según:

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

Related:

General Rules for Type of Medium (required) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style

Specific Rules #1 for Type of Medium (required) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style: Titles ending in punctuation other than a period

Specific Rules #2 for Type of Medium (required) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style: Titles not in English