Canada, Germany and Australia already allow restricted use of medicinal marijuana or its active chemical, but the Dutch go a step further by providing the drug and regulating its quality.

• 加拿大，德国卡和澳大利亚已经允许有限制性的使用药用大麻，和一些有利的大麻化学成分。而荷兰则在提供药物和管理药物品质上先行了一步。