Authors
Regina S. Komsa-Penkova
Division of Biochemistry, Medical University – Pleven, Bulgaria
Katya S. Kovacheva
Division of Medical Genetics, Medical University – Pleven, Bulgaria
Georgy M. Golemanov
Division of Biochemistry, Medical University – Pleven, Bulgaria
Veselin P. Penkov
Repromed Medical Centrum – Pleven, Bulgaria
Zdravka V. Radionova
Division of Pedagogy and Psychology, Medical University – Pleven, Bulgaria
Galia B. Georgieva-Alexandrova
Division of Biochemistry, Medical University – Pleven, Bulgaria
Alim V. Izmajlov
Division of Biochemistry, Medical University – Pleven, Bulgaria