Amel H Mohmmed, Nadhum A Awad, & Adnan J M AL-Fartosy. (2019). Study of Trace Elements Selenium, Copper, Zinc and Manganese Level in Polycystic Ovary Syndrome (PCOS). International Journal for Research in Applied Sciences and Biotechnology, 6(6), 16-22. https://doi.org/10.31033/ijrasb.6.6.4