Shivangi, Savita Rani Singhal, and Latika. “COMPARISON OF COMBINED ORAL CONTRACEPTIVES AND CYPEROTERONE ACETATE-ETHINYL ESTRADIOL COMBINATION ON CLINICAL AND HAEMATOLOGICAL PARAMETERS IN POLYCYSTIC OVARIAN SYNDROME (PCOS)”. International Journal of Health and Clinical Research, vol. 4, no. 20, Nov. 2021, pp. 428-32, https://ijhcr.com/index.php/ijhcr/article/view/5024.