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Clarke, R.C., Merlin, M.D. Letter to the Editor: Small, Ernest. 2015. Evolution and Classification of Cannabis sativa (Marijuana, Hemp) in Relation to Human Utilization. Botanical Review 81(3): 189-294. Bot. Rev. 81, 295–305 (2015). https://doi.org/10.1007/s12229-015-9158-2
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DOI: https://doi.org/10.1007/s12229-015-9158-2