Andrejevic, Marko
Markovic, Milica Keckarevic
Bursac, Biljana
Mihajlovic, Milica
Tanasic, Vanja
Kecmanovic, Miljana
Keckarevic, Dusan
Article History
Accepted: 9 January 2019
First Online: 26 February 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study were in accordance with the ethical standards of the Serbian national research committee and with the 1964 Helsinki declaration and its later amendments. The study was approved by authorities of Faculty of Biology at the University of Belgrade.