Dr.Zizic has been an Associate Professor of Medicine, Division of Rheumatology for over 20 years. Major research interests in osteonecrosis, osteoporosis, osteoarthritis, systemic lupus erythematosis, PMR, vasculitis, polymyositis and a variety of diseases that have an immunologic basis. Published over 100 articles and abstracts in peer reviewed medical journals as well as several dozen chapters in textbooks of medicine.