TY - EJOU AU - Mladenov, M. V. AU - Iotova, I. V. TI - Menstrual Disorders in Adolesecents T2 - Central European Annals of Clinical Research PY - 2020 VL - 2 IS - 1 SN - 2668-7305 AB - KW - abnormal uterine bleeding KW - ovulatory dysfuction KW - hyperandrogensm DO - 10.35995/ceacr2010042