这个词是什么意思？
Drugs that are manufactured, obtained, or sold illegally. They include prescription drugs obtained or sold without prescription and non-prescription drugs. Illicit drugs are widely distributed, tend to be grossly impure and may cause unexpected toxicity.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D013287 · MeSH 2026。
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