这个词是什么意思？
Disorders of verbal and nonverbal communication caused by receptive or expressive LANGUAGE DISORDERS, cognitive dysfunction (e.g., MENTAL RETARDATION), psychiatric conditions, and HEARING DISORDERS.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D003147 · MeSH 2026。
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