Bibliografisk träff 2011-06-10 Synergy-directed fractionation of botanical medicines: a case study with goldenseal (Hydrastis canadensis). Junio HA, Sy-Cordero AA, Ettefagh KA, Burns JT, Micko KT, Graf TN, Richter SJ, Cannon RE, Oberlies NH, Cech NB. J Nat Prod · research-article; journal article; research support, n.i.h., extramural · DOI 10.1021/np200336g