| Model: |
(#PCDATA|bold|italic|monospace|overline|overline-start|overline-end|sans-serif|sc|strike|underline|underline-start|underline-end|inline-graphic|private-char|inline-formula|label|abbrev|milestone-end|milestone-start|named-content|access-date|annotation|article-title|collab|comment|conf-date|conf-loc|conf-name|conf-sponsor|day|edition|email|elocation-id|etal|ext-link|fpage|gov|institution|isbn|issn|issue|issue-id|issue-title|lpage|month|name|object-id|page-count|page-range|patent|person-group|pub-id|publisher-loc|publisher-name|role|season|series|source|std|string-name|supplement|time-stamp|trans-source|trans-title|uri|volume|volume-id|year|sub|sup)* |