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吸入性肺炎,在何任年龄的人群中均可发生,尤其以老年人发病率为高,死亡率约为40—60％。它的临床症状不一,有的突然窒
Aspiration pneumonia, in any age group may occur, especially in the elderly incidence is high, the mortality rate of about 40-60%. Its clinical symptoms vary, some suddenly suffocate