https://erowid.org/references/refs_view.php?ID=6919&S=de_Vries_JX&SField=Author
Erowid.org: Erowid Reference 6919 : Constituents of Justicia pectoralis Jacq. 2. Gas...
The Index page for the reference article: de Vries JX, Tauscher B, Wurzel G Constituents of Justicia pectoralis Jacq. 2. Gas chromatography/mass spectrometry...
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