Heng-Keang Lim

Determination of LSD in urine by capillary column gas chromatography and electron impact mass spectrometry.

R. Jones, R. Foltz, D. Andrenyak, 1988, Journal of analytical toxicology.

In vivo and in vitro metabolism of 3,4-(methylenedioxy)methamphetamine in the rat: identification of metabolites using an ion trap detector.

R. Foltz, H. Lim, R. L. Foltz, 1988, Chemical research in toxicology.