OBTAINING OF ISOLATED CULTURE OF ST. JOHN’S WORT (HYPERICUMPERFORATUM L.) AND ITS MORPHOPHYSIOLOGICAL CHARACTERISTIC. Proceedings of the YSU B: Chemical and Biological Sciences, [S. l.], v. 36, n. 2 (198), p. 99–104, 2002. DOI: 10.46991/PYSUB.2002.36.2.099. Disponível em: https://journals.ysu.am/index.php/proceedings-chem-biol/article/view/vol36_no2_2002_pp099-104. Acesso em: 21 jan. 2026.