• abbrev
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• abstract
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• addr-line
• address
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• alt-text
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• alternatives
• annotation
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• app
• app-group
• array
• article
• article-categories
• article-id
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• attrib
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• award-group
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• custom-meta
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• gov
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• italic
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• journal-title-group
• kwd
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• label
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• list
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• long-desc
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• media
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• mixed-citation
• mml:abs
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• mml:naturalnumbers
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• mml:partialdiff
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• mml:plus
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• mml:true
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• monospace
• month
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• nlm-citation
• note
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• object-id
• on-behalf-of
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• overline
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• p
• page-count
• page-range
• part-title
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• permissions
• person-group
• phone
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• price
• principal-award-recipient
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• related-article
• related-object
• response
• role
• roman
• sans-serif
• sc
• season
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• self-uri
• series
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• size
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• speaker
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• std
• strike
• string-conf
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• styled-content
• sub
• sub-article
• subj-group
• subject
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• suffix
• sup
• supplement
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• surname
• table
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• target
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• term
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• th
• thead
• time-stamp
• title
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• tp:collecting-event
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• tp:taxon-author
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• tr
• trans-abstract
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• underline
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• unstructured-kwd-group
• uri
• verse-group
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• volume
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• volume-series
• word-count
• x
• xref
• year

Element: subj-group