Ikhlass Abdul wahab Maarouf and Zaid Mohamad Mubarak 2018. Study of follistatin and sex hormones level in women with polycystic ovarian sayndrome in Baghdad. Tikrit Journal of Pure Science. 23, 4 (Aug. 2018), 1–6. DOI:https://doi.org/10.25130/tjps.v23i4.514.