Bedøvelsesmiddel Sanselig er nok coca plant Hold sammen med kobling Måler
Amazon.com: The Amazing Healing Power Of Natural Coca Leaf: Digitized & Hyperlinked Edition of "The History of Coca" by Dr. Golden Mortimer (1901) eBook : Drake, Bill: Kindle Store
Cultivation of Cocaine-Producing Coca Plant Rises to Record in Colombia - WSJ