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The Essential Oil of Tanacetum parthenium (L.) Schultz-Bip.

Detection of Curassavine and some related pyrrolizidine alkaloids in an anchusa officinalis strain by means of positive ion and negative ion chemical ionization GC/MS

A tentative identification of components in the essential oil of Cannabis sativa L. by a combination of gas chromatography negative ion chemical ionization mass spectrometry and retention

Strong uniform convergence of density estimators on compact Euclidean manifolds

Use of Amberlite XAD-2 columns for the separation of cannabinoids for Cannabis extracts

Study of three types of essential oil of valeriana officianalis L. S1 by combined gas chromatography-negative ion chemical ionization mass spectrometry

Ammonium positive-ion and hydroxide negative-ion chemical ionization gas chromatography—mass spectrometry for the identification of pyrrolizidine alkaloids in Eupatorium rotundifolium