Farzaneh, F., and F. Afshar. “Comparison of Ovulation Induction With Letrozole Plus Dexamethasone and Letrozole Alone in Infertile Women With Polycystic Ovarian Disease: An RCT”. International Journal of Reproductive BioMedicine (IJRM), Vol. 13, no. 4, May 2020, pp. 307–310, doi:10.18502/ijrm.v13i4.6893.