Linear calibration with two reference substances for multi-component qualitative analysis of Radix Isatidis
1.Heilongjiang University of Traditional Chinese Medicine, Harbin 150040, China
2.Key Labratory of Quality Research and Evaluation of Traditional Chinese Medicines, State Medical Products Administration, Heilongjiang Provincial Key Laboratory of Quality Research and Evaluation of Traditional Chinese Medicines, Heilongjiang Institute for Drug Control, Harbin 150088, China
3.Harbin University of Commerce, Harbin 150028, China
4.National Institutes for Food and Drug Control, Beijing 100050, China
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