American Academy of Forensic Sciences
(AAFS)
American Association for Clinical Chemists
(AACC)
College of American Pathologists(CAP)
. The Internet Directory of Expert Witnesses
expert4law - The Legal Marketplace
Hardin MD
( Pathology & Lab. Medicine)
High Times
Journal of Analytical Toxicology
(JAT)
The Library of Congress
National Library of Medicine
Sigma-Aldrich On Line Help - Material Safety Data Sheets(MSDS)
Society of Forensic Toxicologists
(SOFT)
Substance Abuse and Mental Health Services Administration
(SAMHSA)