For citations:
Ryazanova T.K., Kurkin V.A. Relevant Issues of Standardisation of Herbal Drugs and Herbal Drug Preparations Containing Essential Oils. Bulletin of the Scientific Centre for Expert Evaluation of Medicinal Products. Regulatory Research and Medicine Evaluation. 2023;13(2):146-153. (In Russ.) https://doi.org/10.30895/1991-2919-2023-495