Any combination of:

• Text, numbers, or special characters

• <inline-supplementary-material> Inline Supplementary Material

• <related-article> Related Article Information

• <related-object> Related Object Information

• <hr> Horizontal Rule

• <break> Line Break

• <string-date> Date as a String

• <bold> Bold

• <italic> Italic

• <monospace> Monospace Text (Typewriter Text)

• <overline> Overline

• <overline-start> Overline Start

• <overline-end> Overline End

• <roman> Roman

• <sans-serif> Sans Serif

• <sc> Small Caps

• <strike> Strike Through

• <underline> Underline

• <underline-start> Underline Start

• <underline-end> Underline End

• <alternatives> Alternatives For Processing

• <inline-graphic> Graphic, Inline

• <private-char> Private Character (Custom or Unicode™)

• <chem-struct> Chemical Structure (Display)

• <inline-formula> Formula, Inline

• <journal-id> Journal Identifier

• <label> Label (of an Equation, Figure, Reference, etc.)

• <tex-math> TeX Math Equation

• <mml:math> Math (MathML 2.0 Tag Set)

• <abbrev> Abbreviation or Acronym

• <milestone-end> Milestone End

• <milestone-start> Milestone Start

• <named-content> Named Special (Subject) Content

• <styled-content> Styled Special (Subject) Content

• <annotation> Annotation in a Citation

• <article-title> Article Title

• <chapter-title> Chapter Title in a Citation

• <collab> Collaborative (Group) Author

• <comment> Comment in a Citation

• <conf-date> Conference Date

• <conf-loc> Conference Location

• <conf-name> Conference Name

• <conf-sponsor> Conference Sponsor

• <date> Date

• <date-in-citation> Date within a Citation

• <day> Day

• <edition> Edition, Cited

• <email> Email Address

• <elocation-id> Electronic Location Identifier

• <etal> Et Al.

• <ext-link> External Link

• <fpage> First Page

• <gov> Government Report, Cited

• <institution> Institution Name: in an Address

• <isbn> ISBN

• <issn> ISSN

• <issue> Issue Number

• <issue-id> Issue Identifier

• <issue-part> Issue Part

• <issue-title> Issue Title

• <lpage> Last Page

• <month> Month

• <name> Name of Person

• <name-alternatives> Name Alternatives

• <object-id> Object Identifier

• <page-range> Page Ranges

• <part-title> Part Title in a Citation

• <patent> Patent Number, Cited

• <person-group> Person Group for a Cited Publication

• <pub-id> Publication Identifier for a Cited Publication

• <publisher-loc> Publisher’s Location

• <publisher-name> Publisher’s Name

• <role> Role or Function Title of Contributor

• <season> Season

• <series> Series

• <size> Size

• <source> Source

• <std> Standard, Cited

• <string-name> Name of Person (Unstructured)

• <supplement> Supplement Information

• <trans-source> Translated Source

• <trans-title> Translated Title

• <uri> Uniform Resource Indicator (URI)

• <volume> Volume Number

• <volume-id> Volume Identifier

• <volume-series> Volume Series

• <year> Year

• <fn> Footnote

• <target> Target of an Internal Link

• <xref> X (cross) Reference

• <sub> Subscript

• <sup> Superscript

• <x> X - Generated Text and Punctuation