Media type: E-Article Title: Isolation and purification of series bioactive components from Hypericum perforatum L. by counter-current chromatography Contributor: Cao, Xueli; Wang, Qiaoe; Li, Yan; Bai, Ge; Ren, Hong; Xu, Chunming; Ito, Yoichiro imprint: Elsevier BV, 2011 Published in: Journal of Chromatography B Language: English DOI: 10.1016/j.jchromb.2011.01.007 ISSN: 1570-0232 Keywords: Cell Biology ; Clinical Biochemistry ; Biochemistry ; General Medicine ; Analytical Chemistry Origination: Footnote: