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吸烟可使人体呼吸道的抵抗力下降。肺炎链球菌、G~-双球菌是上呼吸道的优势菌,对机体有一定的保护作用。为了了解吸烟对这两种优势菌有无影响,我们于1991年7月对吸烟者这两
Smoking can reduce the resistance of the human respiratory tract. Streptococcus pneumoniae, G ~ - Streptococcus is the dominant bacteria in the upper respiratory tract, the body has a protective effect. In order to understand whether smoking has any effect on these two dominant bacteria, we conducted a survey on smokers in July 1991