Book Interchange Tag Suite (BITS) Version 2.1 Tag Library
Digital Archive of Journal Articles
National Center for Biotechnology Information (NCBI)
National Library of Medicine (NLM)
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Book Back Matter
Book-part-level AppendixBook-part-level Appendix GroupFloating Element GroupIndexIndex Title GroupIndex EntryIndex DivisionIndex GroupReference List (Bibliographic)Reference ItemAcknowledgmentsBiographyFootnote GroupGlossary Elements List