Abstracting and indexing
Bielefeld Academic Search Engine
BIOSIS Previews
Chemical Abstracts CAS
DOAJ
EBSCO
Electronic Journals Library (EZB)
EMBASE
Free Medical Journals
Genamics/JournalSeek
Geneva Foundation Free Medical Journals
Harvard Libraries - University of California Libraries
HINARI
International Committee of Medical Journal Editors (ICMJE)
Web of Science Core Collection - Clarivate
Science Citation Index Expanded (SCI-Ex)
J-Gate
OhioLINK
Polish Minsitry of Science and Higher Education (PMSHE)
PubMed
PubMed MEDLINE
Polish Medical Library (GBL)
RedLink
SciRev
SCIRUS
SCOPUS
Swiss University Library Network (RERO)
WorldCat