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HARVARD Citation
Doležal, R. et al. (2019). Determination of Hypericin in Hypericum perforatum (St. John's Wort) Using Classical C18 and Pentafluorophenyl Stationary Phases: Contribution of Pi–Pi Interactions to High-Performance Liquid Chromatography (HPLC). Analytical letters. pp. 1788-1812. [Online].