Comparison of flow injection MS, NMR, and DNA sequencing: methods for identification and authentication of black cohosh (Actaea racemosa) - Harnly, J; Chen, P; Sun, J; Huang, H; Colson, K L; Yuk, J; McCoy, J H; Reynaud, D T; Harrington, P B; Fletcher, E J (Planta Med, 2015)