Lazarova, Maria http://orcid.org/0000-0003-0137-3258
Tancheva, Lyubka http://orcid.org/0000-0001-7112-3153
Chayrov, Radoslav http://orcid.org/0000-0002-2522-7020
Tzvetanova, Elina http://orcid.org/0000-0002-5916-5200
Alexandrova, Albena http://orcid.org/0000-0002-7007-3665
Popatanasov, Andrey http://orcid.org/0000-0002-1139-4960
Uzunova, Diamara
Stefanova, Miroslava http://orcid.org/0000-0003-1176-3890
Stankova, Ivanka http://orcid.org/0000-0002-2750-5813
Kalfin, Reni http://orcid.org/0000-0002-7764-3640
Article History
Received: 21 December 2021
Accepted: 30 December 2021
First Online: 28 January 2022
Declarations
:
: The experiments have been performed strictly according to the national regulations and European Communities Council Directive (86/609/EEC) also “Principles of laboratory animal care” (NIH publication No. 85-23) concerning the protection of animals used for scientific and experimental purposes. All efforts and study design was made with purpose to minimize number of the animals and their suffering.
: The authors declare their consent for publication
: The authors have no relevant financial or non-financial interests to disclose.