Abstracting and Indexing
- ABC-Chemistry
- BASE (Bielefeld Academic Search Engine) Bielefeld University Library, Germany
- Bibliothekssystem, Universität Hamburg
- Catalogue of the German National Library (Katalog Der Deutschen Nationalbibliothek) (Digital Preservation and Archiving)
- Elektronische Zeitschriftenbibliothek (EZB)/ Electronic Journals Library
- German Union Catalogue of Serials/ Zeitschriften Datenbank (ZDB)
- Geneva Foundation for Medical Education and Research
- Google Scholar