TY  - RPRT
TI  - Optimization of Extraction Conditions for Active Components in Hypericum perforatum Using Response Surface Methodology.
AU  - FF Liu
AU  - CY Ang
AU  - D Springer
PY  - 2000
DO  - 10.1021/jf001124y
UR  - https://pubmed.ncbi.nlm.nih.gov/11087556/
ID  - 11087556
ER  -