Discriminating between Achyranthis Bidentatae Radix and Cyathulae Radix in Chinese Medicine Preparations by Nested PCR and DNA Sequencing Methods - Lu, Kang-Tsu; Cheng, Han-Yun; Lo, Chi-Fang; Chang, Hsien-Chang; Lin, Jer-Huei (Planta Medica, 2007)