这个词是什么意思？
Clinical management approach wherein immediate therapy is not provided but there is a period of observation during which periodic tests monitor patient and the progression of the illness. (Driffield T, Smith PC Med Decis Making. 2007 Mar-Apr;27(2):178-88)
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D057832 · MeSH 2026。
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