·       Thomson Reuters (ISI):  Emerging Sources Citation Index

·       PubMed Central (PMC)

·       Scopus

·       Google Scholar

·       CAB Abstract

·       Index Copernicus

·       EBSCO

·       Index Medicus for the WHO Eastern Mediterranean Region (IMEMR)

·       Directory of Open Access Journals (DOAJ)

·       Bioline International

·       Islamic World Science Citation Center (ISC)

·       Magiran, Scientific Information Database (SID)

·       IranMedex.