Ahmed Mohamed Abdelkarim, Ahmed Youssef Rezk, Nahla Abd El Azeez Nosair, Mostafa Farag Ellakany, and Ahmed Mohamed Fathy, “Gremlin-1 level in polycystic ovary syndrome and its clinical correlations; A case control study”, J Pak Med Assoc, vol. 73, no. 4, pp. S109-S113, May 2023.