1. Identification of a major impurity in methamphetamine;LeBelle;J. Pharm. Sci.,1973
2. identification of impurities in illicit methamphetamine samples;Barron;J. Assoc. Off. Anal. Chem.,1974
3. Identification of an impurity in illicit amphetamine tablets;Bailey;J. Pharm. Sci.,1974
4. The identification of impurities in illicit methamphetamine exhibits by gas chromatography/mass spectrometry and nuclear magnetic resonance spectroscopy;Lomonte;J. Forensic Sci.,1976
5. Analysis of impurities in illicit methamphetamine exhibits. III. Determination of methamphetamine and methylamine adulterant by nuclear magnetic resonance spectroscopy;Kram;J. Forensic Sci.,1977