切節符號
?: e.g ne?t to find all citations containing neat, nest or next. (# in Medline)#: e.g colo#r to find all citations containing color or colour. (? in Medline)
*: e.g. comput* to find the words computer or computing. ($ in Medline)
連接符號
N+數字: 兩個關鍵字間隔幾個字 (關鍵字之順序可顛倒 =adj in Medline)
W+數字: 兩個關鍵字間隔幾個字 (關鍵字之順序可顛倒)
Mesh term搜尋
Mesh term: MH (Schizophrenia)
exp. & focus: MM (Schizophrenia+)
exp. : MH (Schizophrenia+)
focus: MM (Schizophrenia)
exp. : MH (Schizophrenia+)
focus: MM (Schizophrenia)
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