Bahreiny, S.S., Harooni, E., Dabbagh, M.R. and Ebrahimi, R. 2023. Circulating serum preptin levels in women with polycystic ovary syndrome: A systematic review and meta-analysis. International Journal of Reproductive BioMedicine (IJRM). 21, 5 (Jun. 2023), 367–378. DOI:https://doi.org/10.18502/ijrm.v21i5.13470.