Web of Science (ESCI)
Index Copernicus
Open J-Gate
Geneva Foundation for Medical Education and Research (WHO Collaborating Centre in Education and Research in Human Reproduction)
Jadoun Science (Journal Access Directory Open Utility Network of Science)
Chemical Abstracts Service (CAS) (A division of the American Chemical Society)
EBSCO Discovery Service USA (EBSCO Information Services (USA & Canada)
NewJour
Open Academic Journals Index
HJRS - HEC journal recognition system