Validation of ITS2 region as a novel DNA barcode for identifying of medicinal plant species - Chen, S; Yao, H; Han, J; Liu, C; Song, J; Shi, L; Zhu, Y; Ma, X; Gao, T; Pang, X; Luo, K; Li, Y; Li, X; Jia, X; Lin, Y; Leon, C (PLoS One, 2010)