%0 Journal Article %T Observation at radio frequencies of the hydroxyl (OH) absorption line in filaments and prominences above active regions of the Sun %A Ovchinnikova, N.E. %A Bogod, V.M. %A Lebedev, M.K. %K Sun, coronal structures, absorption lines, hydroxyl %J Solnechno-Zemnaya Fizika %D 2024 %N 10 %P 5 %I INFRA-M Academic Publishing LLC.