Abstracting/Indexing
Chemical Abstracts Service (CAS)
ProQuest Health & Medical Collection
ProQuest Health Research Premium Collection
ProQuest Hospital Premium Collection
ProQuest Biological Science Database
EBSCO
OCLC WorldCat Discovery Service
Gale Health Reference Center Academic
Index Copernicus (ICI Journals Master List)
China National Knowledge Infrastructure (CNKI) Scholar
EZB (Electronic Journals Library), ZDB (German National Serials Database)
Geneva Foundation for Medical Education and Research
ROAD: the Directory of Open Access scholarly Resources
International Committee of Medical Journal Editors (ICMJE)