Tsyrendorzhieva, S.V. and Zhamsaranova, S.D. 2020. COMPARATIVE EVALUATION OF ANTIOXIDANT ACTIVITY OF EXTRACTS OF BERGENIA CRASSIFOLIA (L.) FITSCH LEAVES OF DIFFERENT TERMS OF VEGETATION. chemistry of plant raw material. 2 (Jun. 2020), 231-239. DOI:https://doi.org/10.14258/jcprm.2020024349.