AL-Zohyri, Ahmad M., et al. “Effects of Some Commonly Used COX-1 and COX-2 in the Treatment of Minor Aches on Ovulation in Women A (Clinical Study)”. Journal of the Faculty of Medicine Baghdad, vol. 58, no. 3, Oct. 2016, pp. 293-7, https://doi.org/10.32007/jfacmedbagdad.583267.