Indexing & Archiving

Web of Science (WOS)
    - Science Citation Index Expanded (SCIE)
    - Biological Abstracts
    - BIOSIS Previews
    - Current Contents Clinical Medicine
    - Essential Science Indicators
Scopus
National Libruary of Medicine (NLM)
    - PubMed (MEDLINE)
European PMC

Journal Ranking lists

Journal Citation Reports (JCR)
SCImago

Journal Directories

Electronic Journals Library

Content Aggregators

Google Scholar

Digital Preservation

CLOCKSS