作者: Philip Kumanov

Philip Kumanov, MD, Ph D, DMed Sci, Member (Academician) of European Academy of Andrology (EAA), Professor for Endocrinology, Clinical Center of Endocrinology, Medical University of Sofia, Sofia, Bulgaria  Ashok Agarwal, Ph D, HCLD (ABB), ELD (ACE),  Professor, Lerner College of Medicine and,  Case Western Reserve University School of Medicine,  American Center for Reproductive Medicine,  Department of Urology,  Cleveland Clinic Foundation,  Cleveland, OH, USA