Yeon, B.- ram, K. Sowndhararajan, J.- wook Jung, J.- woo Jhoo, and S. Kim. “COMPARISON OF VOLATILE COMPOSITION OF SUPERCRITICAL CARBON DIOXIDE EXTRACT FROM RHIZOMES OF KOREAN MEDICINAL PLANT ’CHUN-KUNG’ (CNIDIUM OFFICINALE MAKINO) BY DIRECT-AND SPME-GC/MS”. International Journal of Pharmacy and Pharmaceutical Sciences, vol. 6, no. 9, Sept. 2014, pp. 355-8, https://journals.innovareacademics.in/index.php/ijpps/article/view/2249.