Darvishi, E., D. Kahrizi, S. Bahraminejad, and M. Mansouri. “In Vitro Induction of α-Pinene, Pulegone, Menthol, Menthone and Limonene in Cell Suspension Culture of Pennyroyal (Mentha Pulegium)”. Cellular and Molecular Biology, vol. 62, no. 3, Mar. 2016, pp. 7-9, https://cellmolbiol.org/index.php/CMB/article/view/812.