Kamenova, Kalina
Gluhcheva, Yordanka
Dorkov, Petar
Ivanova, Juliana http://orcid.org/0000-0002-3213-2046
Article History
Received: 31 May 2019
Accepted: 9 September 2019
First Online: 13 September 2019
Compliance with ethical standards
: The experimental protocol was approved by the Ethics Committee of the Institute of Experimental Morphology, Pathology and Anthropology with Museum of Bulgarian Academy of Sciences (approval number: 15/03/2016).