<!-- DTD file for Substances with a given Pharmacological Action. pa2013.dtd -->

<!-- Author: MeSH				-->
<!-- Effective: 12/02/2012			-->

<!-- #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
 -->

<!ENTITY  % DescriptorReference "(DescriptorUI, DescriptorName)">

<!ELEMENT PharmacologicalActionSet (PharmacologicalAction*)>
<!ELEMENT PharmacologicalAction (
                DescriptorReferredTo,
                PharmacologicalActionSubstanceList) >
   <!ELEMENT DescriptorReferredTo (%DescriptorReference;) >
   <!ELEMENT PharmacologicalActionSubstanceList (Substance)+>
   <!ELEMENT Substance (RecordUI,RecordName)+>
      <!ELEMENT RecordUI (#PCDATA) >
      <!ELEMENT RecordName (String) >

<!ELEMENT DescriptorUI (#PCDATA) >
<!ELEMENT DescriptorName (String) >

<!ELEMENT String (#PCDATA)>