Aflatoonian, A., H. Amouzegar, and R. Dehghani Firouzabadi. “Corrigendum to ‘Efficacy of 17α- Hydroxy Progestrone on Decreasing Preterm Labor in ART Pregnancies: A Randomized Clinical trial’ [Iran J Reprod Med 2013; 11: 785-790]”. International Journal of Reproductive BioMedicine (IJRM), Vol. 20, no. 5, June 2022, pp. 423-, doi:10.18502/ijrm.v20i5.11176.