A retrospective cohort study of culture-positive HCAP over 6 years (January 2003-December 2008) was performed at Barnes-Jewish Hospital, a 1200-bed urban teaching hospital.
这项回顾性队列研究开展了六年，在巴恩斯犹太医院。这是一个1200床的教学医院。
A retrospective cohort study of culture-positive HCAP over 6 years (January 2003-December 2008) was performed at Barnes-Jewish Hospital, a 1200-bed urban teaching hospital.
这项回顾性队列研究开展了六年，在巴恩斯犹太医院。这是一个1200床的教学医院。
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