方法应用ICD-9国际疾病分类法，对住院死亡患者的资料进行归类和分析。
Methods The data of the dead inpatient were classified and analysed according to the ICD 9 International Disease Classification.
方法应用ICD-9国际疾病分类法，对住院死亡患者的资料进行归类和分析。
Methods The data of the dead inpatient were classified and analysed according to the ICD 9 International Disease Classification.
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