A. S. Zykova
Northern State Medical University
Russian Federation

Alexandra S. Zykova, DMD, Assistant Professor, Department of Operative Dentistry

51 Troitsky Avenue, Arkhangelsk, Russian Federation, 163000

A. S. Opravin
Northern State Medical University
Russian Federation

Alexander S. Opravin, DMD, PhD, DSc, Docent, Head of the Department of Operative Dentistry

Arkhangelsk

A. G. Soloviev
Northern State Medical University
Russian Federation

Andrey G. Soloviev, MD, PhD, DSc, Professor, Head of the Department of Psychiatry and Clinical Psychology

Arkhangelsk

T. A. Bazhukova
Northern State Medical University
Russian Federation

Tatyana A. Bazhukova, MD, PhD, DSc, Professor, Head of the Department of Clinical Biochemistry, Microbiology and Laboratory Diagnostics

Arkhangelsk  

N. N. Kukalevskaja
Northern State Medical University
Russian Federation

Natalia N. Kukalevskaya, MD, Assistant Professor, Department of the Clinical Biochemistry, Microbiology and Laboratory Diagnostics

Arkhangelsk