Feng, T., S. Liu, and X.- jin He. “Molecular Authentication of the Traditional Chinese Medicinal Plant Angelica Sinensis Based on Internal Transcribed Spacer of NrDNA”. Electronic Journal of Biotechnology, vol. 13, no. 1, Jan. 2010, pp. 0-0, https://www.ejbiotechnology.info/index.php/ejbiotechnology/article/view/v13n1-13.