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A Historical Sampling of Delta-9-Tetrahydrocannabinol Potency of Marihuana and Hashish Confiscated in Virginia

  • Charles E. O’Rear
  • Gerald C. Llewellyn
Part of the Biodeterioration Research book series (BIOR, volume 4)

Abstract

Introduction with Cannabis, one of the oldest drugs known to man, is now widespread over the world, including Western countries where it had never been observed before. Cannabis sativa has been cultivated for centuries for the hemp in its stem, the oil in its seed, and the biologically active substance in its flowering tops. The principal biologically active ingredients include delta-9-tetrahydrocannabinol (delta-9-THC) (Nahas, 1975).

Keywords

Cannabis Sativa Cannabis Abuse Tidewater Region Forensic Chemist Street Sample 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1994

Authors and Affiliations

  • Charles E. O’Rear
    • 1
  • Gerald C. Llewellyn
    • 1
  1. 1.Department of Forensic ScienceThe George Washington UniversityUSA

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