Authors
Department of Midwifery, Medical University – Pleven, Bulgaria
Medical University – Pleven, Bulgaria
Hinkomed Medical Center LTD – Pleven, Bulgaria
T. Semova
Department of Obstetrics and Gynecology, Medical University – Pleven, Bulgaria
Medical University – Pleven, Bulgaria
Hinkomed Medical Center LTD – Pleven, Bulgaria
D. Dimitrov
Department of Obstetrics and Gynecology, Medical University – Pleven, Bulgaria
Medical University – Pleven, Bulgaria
Hinkomed Medical Center LTD – Pleven, Bulgaria
M. Vasileva
Medical University – Pleven, Bulgaria
University Hospital „Sv. Marina“ – Pleven, Bulgaria
V. Racheva
Department of Medical Physics, Biophysics, Preclinical and Clinical Sciences, Medical University – Pleven, Bulgaria
Hinkomed Medical Center LTD – Pleven, Bulgaria
Z. Gorcheva
Medical University – Pleven, Bulgaria
University Hospital „Sv. Marina“ – Pleven, Bulgaria