Extraction and HPLC methods for the r-lactones: parthenolide, marrubin and arthemisinin. Ray J P, Levesque J and Pousset J L. Journal of Chromatography A . 1992
Extraction and HPLC methods for the r-lactones: parthenolide, marrubin and arthemisinin. Ray J P, Levesque J and Pousset J L. Journal of Chromatography A . 1992