Element class created to hold the citation elements (<element-citation> and <mixed-citation>), without the presence of the citation alternatives element (<citation-alternatives>).
This class has been made intentionally small, so that the citation elements may be used in many places, but restricted overall.
<!ENTITY % citation-minus-alt.class "element-citation | mixed-citation | nlm-citation" >
JATS-journalpubcustom-classes1.ent and JATS-journalpub-oasis-custom-classes1.ent