TY  - GEN
AU  - Ganzera,M
AU  - Zhao,J
AU  - Khan,I A
TI  - Hypericum perforatum--chemical profiling and quantitative results of St. John's Wort products by an improved high-performance liquid chromatography method
SN  - 0022-3549
PY  - 2002///0627
KW  - Calibration
KW  - Chromatography, High Pressure Liquid
KW  - Hypericum
KW  - chemistry
KW  - Mass Spectrometry
KW  - Reproducibility of Results
KW  - Solvents
KW  - Spectrophotometry, Ultraviolet
N1  - Publication Type: Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Research Support, U.S. Gov't, P.H.S
UR  - https://doi.org/10.1002/jps.10057
ER  -