这个词是什么意思？
A broad category of chemical actions and uses that result in the prevention, treatment, cure or diagnosis of disease. Included here are drugs and chemicals that act by altering normal body functions, such as the REPRODUCTIVE CONTROL AGENTS and ANESTHETICS. Effects of chemicals on the environment are also included.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D020228 · MeSH 2026。
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