Authors
V. Racheva
Clinical Laboratory, University Hospital „Sv. Marina“ Pleven, Medical University – Pleven, Bulgaria
I. Dekova
Department of Hepatobiliary and Pancreatic Surgery at the First Clinic of University Hospital „Dr. G. Stranski – Pleven“, Medical University – Pleven, Bulgaria
Z. Gorcheva
Clinic of Internal Medicine, University Hospital „Sv. Marina“ Pleven, Medical University – Pleven, Bulgaria
T. Semova
Obstetrics and Gynaecology, University Hospital „Sv. Marina“ Pleven, Medical University – Pleven, Bulgaria
D. Dimitrov
Obstetrics and Gynaecology, University Hospital „Sv. Marina“ Pleven, Medical University – Pleven, Bulgaria
E. Petkova
Department of Midwifery care, Faculty of Health Care, Medical University – Pleven, Bulgaria