Book Interchange Tag Suite (BITS) Version 1.0 Tag Library Version 1.0
Digital Archive of Journal Articles
National Center for Biotechnology Information (NCBI)
National Library of Medicine (NLM)
%aff-alternatives-model;
Affiliation Alternatives Model
Content model for the element
<aff-alternatives>
.
Content Model
<!ENTITY % aff-alternatives-model "(aff+)" >