Emerging Sources Citation Index [ESCI (Clarivate Analytics)]-Web of Science
PubMed and PubMed Central
Scopus
EMBASE
Directory of Open Access Journals (DOAJ)
Scirus (Elsevier)
ProQuest
NewJour
Islamic World Science Citation (ISC)
WHO/EMR/Index Medicus
Index Copernicus
Academic Search Complete EBSCO Publishing Databases
NLM Catalog
Scientific Information Database (SID)
Open J Gate
Magiran
Allied and Complementary Medicine Database (AMED)
Ulrich's Periodicals Directory
PKP Open Archives Harvester
Geneva Foundation for Medical Education and Research
Biblioteca.net
Barakatkns
Iranvenex