Methods The incidence of bloody cerebrospinal fluid in 49 patients with typical brain concussion was examined by lumbar puncture.
方法对49例典型脑震荡病人行腰椎穿刺，检查其血性脑脊液的发生率。
Methods The incidence of bloody cerebrospinal fluid in 49 patients with typical brain concussion was examined by lumbar puncture.
方法对49例典型脑震荡病人行腰椎穿刺，检查其血性脑脊液的发生率。
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