Department of Respiratory,Qianwei Hospital of Jilin Province,Changchun 130012,China
Department of Geriatrics,Jilin Provincial Geriatric Medicine Clinical Research Center,the First Hospital of Jilin University,Changchun 130021,China
Department of Emergency,the First Hospital of Jilin University,Changchun 130021,China
The First Operating Room,the First Hospital of Jilin University,Changchun 130021,China
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