◇◆

%citation-alternatives-model; Citation Alternatives Elements Model

The content model for the <citation-alternatives> element.
Declaration
<!ENTITY % citation-alternatives-model
                        "( (%id.class;)*,
                           (%citation-minus-alt.class;)+ )"          >
Expanded Declaration

( (object-id)*, (element-citation | mixed-citation | nlm-citation)+ )