<!-- MeSH DTD file for Global Citation Maintenance tasks. gcm2006.dtd -->
<!-- Note that "Manual" tasks require a PubMed search found in gcm_search2006.dtd -->

<!-- #PCDATA: parseable character data = text

     occurence indicators (default: required, not repeatable):
     ?: zero or one occurrence, i.e., at most one (optional)
     *: zero or more occurrences (optional, repeatable)
     +: one or more occurrences (required, repeatable)

     |: choice, one or the other, but not both
 -->


<!ELEMENT CitMaintTaskSet (CitMaintTask+)>

<!ELEMENT CitMaintTask    (  MTaskID,
                             MeSHYear,
                             ExistingMeSHUI?,
                             NewMeSHUI?,
                             ExistingMeSHPrefTerm?,
                             NewMeSHPrefTerm?,
                             ExistingMeSHRecType?,
                             NewMeSHRecType?,
                             MajorTopicYN?,
                             QualAttachedUI?,
                             Sequence) >

<!ATTLIST CitMaintTask          Action         (Replace | Add | Delete) #REQUIRED
                                TaskSourceType (Automatic | Manual | PrefTerm) #REQUIRED>

<!ELEMENT MTaskID               (#PCDATA)     >
<!ELEMENT MeSHYear              (#PCDATA)     >
<!ELEMENT ExistingMeSHUI        (#PCDATA)     >
<!ELEMENT NewMeSHUI             (#PCDATA)     >
<!ELEMENT ExistingMeSHPrefTerm  (#PCDATA)     >
<!ELEMENT NewMeSHPrefTerm       (#PCDATA)     >
<!ELEMENT ExistingMeSHRecType   (#PCDATA)     >
<!ELEMENT NewMeSHRecType        (#PCDATA)     >
<!ELEMENT MajorTopicYN          (#PCDATA)     >
<!ELEMENT QualAttachedUI        (#PCDATA)     >
<!ELEMENT Sequence              (#PCDATA)     >