Artemisinin Biosynthesis Enhancement in Transgenic Artemisia annua Plants by Downregulation of the β-Caryophyllene Synthase Gene - Chen, Jian-Lin; Fang, Hua-Ming; Ji, Yun-Peng; Pu, Gao-Bin; Guo, Yan-Wu; Huang, Li-Li; Du, Zhi-Gao; Liu, Ben-Ye; Ye, He-Chun; Li, Guo-Feng; Wang, Hong (Planta Medica, 2011)