2002. OBTAINING OF ISOLATED CULTURE OF ST. JOHN’S WORT (HYPERICUMPERFORATUM L.) AND ITS MORPHOPHYSIOLOGICAL CHARACTERISTIC. Proceedings of the YSU B: Chemical and Biological Sciences. 36, 2 (198) (Jul. 2002), 99–104. DOI:https://doi.org/10.46991/PYSUB.2002.36.2.099.