Objective To analyze the aetiological characteristics and bacterial susceptibility in patients with ventilator-associated pneumonia (VAP) .

目的分机相关肺炎(VAP)的病原学以及药物敏感情况。

Statistics on occupational mortality have been of greater value in these respects than in initiating the study of new aetiological agents.

不职业的死亡率的统计这些方面的价值较开展新的病因研究的价值更大。