Todorov, Petar http://orcid.org/0000-0002-8050-0149
Peneva, Petia
Tchekalarova, Jana
Rangelov, Miroslav
Georgieva, Stela
Todorova, Nadezhda
Funding for this research was provided by:
Bulgarian National Scientific Fund, Ministry of Education and Science, Bulgaria (КП-06-ОПР 03/3)
Article History
Received: 2 May 2019
Accepted: 17 September 2019
First Online: 1 October 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures were performed in agreement with the European Communities Council Directive 2010/63/EU. The experimental design was approved by the Institutional Ethics Committee. There are no human participants.