Secondary Metabolic Profiling and Artemisinin Biosynthesis of Two Genotypes of Artemisia annua - Wang, Huahong; Ma, Chenfei; Ma, Lanqing; Du, Zhigao; Wang, Hong; Ye, Hechun; Li, Guofeng; Liu, Benye; Xu, Guowang (Planta Medica, 2009)