1. http://apothecariumsf.com/cannabinoids-and-terpenoids/
  2. El-Alfy, Abir T, et al. (Jun 2010), "Antidepressant-like effect of delta-9-tetrahydrocannabinol and other cannabinoids isolated from Cannabis sativa L", Pharmacology Biochemistry and Behavior 95 (4): 434–42, pbb.2010.03.004">10.1016/j.pbb.2010.03.004PMID 20332000
  3. hallent.com/Resources/Medical Marijuana Testing for Potency.pdf
  4. halent.com/Resources/Halent%20Chart.pdf
  5. http://www.news-medical.net/health/Cannabinoids-What-are-Cannabinoids.aspx