Funding for this research was provided by:
Universitas Sumatera Utara (4167/UN5.1.R/PPM/2019)
Article History
Received: 4 April 2020
Revised: 14 October 2020
Accepted: 4 November 2020
First Online: 22 January 2021
Compliance with ethical standards
:
: The authors have no conflict of interest to declare.
: All procedures were evaluated by the Animal Research Ethics Committees (AREC), Universitas Sumatera Utara with the approval number of 0514/KEPH-FMIPA/2019.