Gathering the evidence on medical marijuana.
D002186:Cannabinoids / Q000627:therapeutic use; D002188:Cannabis / Q000627:therapeutic use*; D006076:Government; D006801:Humans; D007880:Legislation, Drug; D008517:Phytotherapy; D010946:Plants, Medicinal; D012106:Research / Q000331:legislation & jurisprudence
D002186:Cannabinoids