Nadezhda I. Kovalevich
Должность: PhD, Head of the Scientifi c and Preventive Clinical and Diagnostic Lab., Clinical Lab. Diagnostics Physician, «StPCRI», Rospotrebnadzor, Stavropol, Russian Federation
e-mail: stavnipchi@mail.ru, n.kovalevich@list.ru
ORCID: https://orcid.org/ 0000-0002-3695-125X