The effect of letrozole versus artificial hormonal endometrial preparation on pregnancy outcome after frozen-thawed embryos transfer cycles: a randomized clinical trial.
Azadeh Hosseini-NajarkolaeiAshraf MoiniLadan KashaniMaryam Farid MojtahediElnaz Hosseini-NajarkolaeeEnsieh SalehiPublished in: Reproductive biology and endocrinology : RB&E (2020)
The study was also registered in the Iranian Registry of Clinical Trials on March 20th, 2020. ( IRCT20090526001952N12 at www.irct.ir , registered retrospectively).