TY - GEN AU - Monakhova,Yulia B AU - Kuballa,Thomas AU - Löbell-Behrends,Sigrid AU - Maixner,Sibylle AU - Kohl-Himmelseher,Matthias AU - Ruge,Winfried AU - Lachenmeier,Dirk W TI - Standardless 1H NMR determination of pharmacologically active substances in dietary supplements and medicines that have been illegally traded over the internet SN - 1942-7611 PY - 2013///1021 KW - Dietary Supplements KW - analysis KW - Internet KW - Magnetic Resonance Spectroscopy KW - methods KW - Sensitivity and Specificity N1 - Publication Type: Journal Article; Validation Study UR - https://doi.org/10.1002/dta.1367 ER -