R. A. Hattrup

Simultaneous analysis of thebaine, 6-MAM and six abused opiates in postmortem fluids and tissues using Zymark automated solid-phase extraction and gas chromatography-mass spectrometry.

R. Lewis, R. Johnson, R. A. Hattrup, 2005, Journal of chromatography. B, Analytical technologies in the biomedical and life sciences.

Poppy Seed Consumption or Opiate Use: The Determination of Thebaine and Opiates of Abuse in Postmortem Fluids and Tissues

Robert D. Johnson, Russell J. Lewis, R. A. Hattrup, 2005 .