Ekiert, H., A. Piekoszewska, B. Muszyńska, and S. Baczyńska. “Accumulation of P-Cumaric Acid and Other Bioactive Phenolic Acids in in Vitro Culture of Ruta Graveolens Ssp. Divaricata (Tenore) Gams”. Medicina Internacia Revuo - International Medicine Review, no. 102, June 2014, pp. 24-31, https://interrev.com/mir/index.php/mir/article/view/69.