The stacked over-expression of FPS, CYP71AV1 and CPR genes leads to the increase of artemisinin level in Artemisia annua L - Chen, Y; Shen, Q; Wang, Y; Wang, T; Wu, S; Zhang, L; Lu, X; Zhang, F; Jiang, W; Qiu, B; Gao, E; Sun, X; Tang, K (Plant Biotechnol Rep, 2013)