Aflatoonian, A. and Mohammadi, B. 2021. Subcutaneous progesterone versus vaginal progesterone for luteal-phase support in frozen-thawed embryo transfer: A cross-sectional study. International Journal of Reproductive BioMedicine (IJRM). 19, 2 (Feb. 2021), 115–120. DOI:https://doi.org/10.18502/ijrm.v19i2.8469.