Nikolova, M., Petrova, M., Zayova, E., Vitkova, A. and Evstatieva, L. (2013) “Comparative study of in vitro, ex vitro and in vivo grown plants of Arnica montana - polyphenols and free radical scavenging activity”, Acta Botanica Croatica, 72(1). Available at: https://www.abc.botanic.hr/index.php/abc/article/view/542 (Accessed: 29 March 2024).