Specific Rules #1 for Title (required) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style: Titles containing a Greek letter, chemical formula, or another special character

Capitalize the first word of a book title unless the title begins with a Greek letter, chemical formula, or another special character that might lose its meaning if capitalized.

1,3-dichloro-5,5-dimethylhydantoin: health-based reassessment of administrative occupational exposure limits.

von Willebrand factor and the mechanisms of platelet function.

If a title contains a Greek letter or some other symbol that cannot be reproduced with the type fonts available, substitute the name for the symbol. For example, Ω becomes omega.

γ-linolenic acid: recent advances in biotechnology and clinical applications.

may become

Gamma-linolenic acid: recent advances in biotechnology and clinical applications.

Enantioselective synthesis of β-amino acids.

may become

Enantioselective synthesis of beta-amino acids.

If a title contains superscripts or subscripts that cannot be reproduced with the type fonts available, place the superscript or subscript in parentheses.

TiO2 nanoparticles.

may become

TiO(2) nanoparticles.

Según:

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

Related:

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

Specific Rules #1 for Title (required) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style: Titles containing a Greek letter, chemical formula, or another special character

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

Specific Rules #3 for Title (required) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style: Titles in more than one language

Specific Rules #4 for Title (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 #5 for Title (required) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style: No title can be found

Examples for Title (required) for the Volume for Individual Volumes With a Separate Title and Separate Authors/Editors Vancouver Style