Feng, Tu, Shuang Liu, and Xing-jin He. 2010. “Molecular Authentication of the Traditional Chinese Medicinal Plant Angelica Sinensis Based on Internal Transcribed Spacer of NrDNA”. Electronic Journal of Biotechnology 13 (1). Valparaíso, Chile:0-0. https://preprints.pucv.cl/index.php/ejbiotechnology/article/view/v13n1-13.