For citations:

Kalashnikova O.A., Ryzhov V.M., Kurkin V.A. Spectral analysis of water-alcoholic extractions from herbal of Herbal drug (Gratiola officinalis). Plant Biology and Horticulture: theory, innovation. 2018;(146):159-162. (In Russ.) https://doi.org/10.25684/NBG.scbook.146.2018.24