Authors
S. Radev
Clinic of Endocrinology and Metabolic Diseases, University Hospital “Sv. Marina” – Varna, Bulgaria
Faculty of Medicine, Medical University “Prof. Dr. Paraskev Stoyanov” – Varna, Bulgaria
Clinic of Endocrinology and Metabolic Diseases, University Hospital “Sv. Marina” – Varna, Bulgaria
Faculty of Medicine, Medical University “Prof. Dr. Paraskev Stoyanov” – Varna, Bulgaria
S. Shefket
Department of Clinical Laboratory, University Hospital “Sv. Marina” – Varna, Bulgaria
Faculty of Medicine, Medical University “Prof. Dr. Paraskev Stoyanov” – Varna, Bulgaria